Regional metamorphism is a type of metamorphism that occurs over large areas and is characterized by specific characteristics.
It typically occurs at significant depths below the Earth's surface, generally below depths of 10-20 kilometers. The process of regional metamorphism is closely associated with the collision of tectonic plates, which generates immense pressure and temperature. These forces cause rocks to undergo substantial changes in their mineralogy, texture, and structure.
The large-scale nature of regional metamorphism is reflected in the extensive areas affected by this process. It often forms extensive metamorphic belts that can span hundreds or even thousands of kilometers. These belts are commonly found in mountainous regions where tectonic forces have caused significant crustal deformation. While water can play a role in facilitating metamorphic reactions, it is not a defining characteristic of regional metamorphism. Instead, the dominant factors are the pressure and temperature conditions associated with tectonic plate collisions.
In summary, regional metamorphism occurs at significant depths, is associated with plate collisions, occurs over large areas, and often takes place at deep depths beneath mountains. These characteristics distinguish it from other types of metamorphism.
Therefore, the correct answer is e. Associated with large areas.
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Concerning the earth's global ocean circulations, describe key features that distinguish surface currents from those in the deep ocean.
Key features that distinguish surface currents from those in the deep ocean are their location, speed, and driving forces.
Surface currents are located in the uppermost layer of the ocean, typically extending to a depth of about 100 meters, and they are driven by wind patterns, such as trade winds and prevailing westerlies, along with the rotation of the Earth (Coriolis effect). These currents are faster and more visible due to their proximity to the surface. On the other hand, deep ocean currents are found below the surface layer and extend to great depths.
They are driven primarily by density differences caused by variations in temperature and salinity, and they flow more slowly compared to surface currents. Deep ocean currents play a crucial role in global heat distribution and the movement of nutrients and carbon dioxide within the ocean.
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reintroducing the gray wolf in certain areas of the northwestern united states
The reintroducing the gray wolf in certain areas of the northwestern united states will provides a protected habitat for the endangered wolf in accordance with the U.S. Endangered Species Act of 1973,and also it will be effective in balancing the ecology of the northwestern United States.
What is the U.S. Endangered Species Act of 1973The U.S. Endangered Species Act of 1973 is the law that provide that people or individuals and organizations are allow to write a petition stating species are endangered or threatened. These petitions will be carefully systematically assessed having public review before a final conclusion is made on whether a species should be protected or not.
With this Act of 1973, Endangered Species Day is celebrated yearly on the third Friday in the month of May, to create awareness on the importance of protecting endangered species and their habitats.
The gray wolf is one of the species that have being eradicated in the northwestern united states and had led to it being nearly wipe . In order to restore balance to the ecosystem of the northwest, many organizations are on the mission for the reintroduction of gray wolves to their traditional rightful homes
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The complete question
What effect does reintroducing the gray wolf in certain areas of the northwestern United States?
what is the diffusion of water through a cell membrane
The diffusion of water through a cell membrane is known as osmosis. In the process of osmosis, water molecules move from an area of higher concentration to an area of lower concentration, until equilibrium is achieved.
Diffusion is the movement of particles from an area of higher concentration to an area of lower concentration, as a result of the random motion of the particles. It is a passive process, meaning it does not require any energy input from the cell. However, in osmosis, which is a specific type of diffusion, only water molecules move across the membrane.
Osmosis plays a vital role in maintaining the water balance of cells. Cells require a specific concentration of solutes to function properly, and osmosis helps regulate this concentration by controlling the movement of water molecules. If too much water moves into a cell, it can burst and if too much water moves out of a cell, it can shrink. Therefore, osmosis is crucial for maintaining cell shape, size and proper functioning.
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The metamorphic grade describes the intensity of metamorphism. i.e., more pressure will cause more foliation. Put the following metamorphic grades in order from the least intense pressure (1) to the most intense pressure (4). (3) Answer 1 Choose... (1) least intense pressure Answer 2 Choose... (4) most intense pressure Answer 3 Choose... (2) Answer 4
The correct order of metamorphic grades from the least intense pressure (1) to the most intense pressure (4) is:(1) Low-grade metamorphic rocks(2) Medium-grade metamorphic rocks(3) High-grade metamorphic rocks(4) Ultra-high grade metamorphic rocks
The metamorphic grades are generally divided into four types: low, medium, high, and ultra-high grades. In order of least intense pressure to most intense pressure, these grades are as follows:Low-grade metamorphic rocks: These are rocks that have undergone minimal metamorphism. Slate, phyllite, and schist are examples of low-grade metamorphic rocks.
Medium-grade metamorphic rocks: These are rocks that have undergone moderate metamorphism. Gneiss, amphibolite, and migmatite are examples of medium-grade metamorphic rocks. High-grade metamorphic rocks: These are rocks that have undergone extensive metamorphism. Migmatite, granulite, and eclogite are examples of high-grade metamorphic rocks. Ultra-high grade metamorphic rocks: These are rocks that have undergone the most severe metamorphism. Gneiss, amphibolite, and migmatite are examples of ultra-high grade metamorphic rocks.
Metamorphic rocks are created by the alteration of existing rocks due to heat, pressure, and chemical reactions. The level of metamorphism in a rock depends on the amount of heat and pressure that the rock has been exposed to over time. The metamorphic grade refers to the level of metamorphism that a rock has undergone.
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Which of the following are true of the Edwards Aquifer in central Texas? Select more than one correct answer. A) it is a karst aquifer. B) it supplies water to Barton Springs in Austin. C) it is the primary source of drinking water for central Texas. D) there is enough water in the aquifer for unlimited use
The following are true of the Edwards Aquifer in central Texas: Option A: It is a karst aquifer. Option B: It supplies water to Barton Springs in Austin. Option C: It is the primary source of drinking water for central Texas.
The Edwards Aquifer is one of the most extensive artesian aquifers in the world. It is named after the Edwards Plateau, which is the principal area of outcrop of the aquifer. It is situated in the Texas Hill Country, stretching over 8,000 square miles. The aquifer provides the main source of drinking water to a region of over two million people, including San Antonio and a large portion of central Texas.
It is a karst aquifer, which means it is composed of permeable rock that has been broken down by groundwater. The karstic characteristics of the aquifer allow for a fast flow of water and the formation of springs, which are essential habitats for rare and endangered species.
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what is the most common result when heat radiation is released from earth?
The most common result when heat radiation is released from earth is that the heat is absorbed by atmospheric gases like carbon dioxide, water vapor, and methane. This phenomenon is known as the greenhouse effect.
The greenhouse effect occurs when heat from the sun is absorbed by the earth and then radiated back out into the atmosphere. The atmospheric gases trap some of this heat radiation, which helps to keep the earth warm enough to support life.
However, when the levels of greenhouse gases in the atmosphere increase due to human activities like burning fossil fuels, deforestation, and agriculture, it can lead to an increase in the average temperature of the earth's surface. This is known as global warming, which can have significant impacts on the planet's climate, ecosystems, and human societies.
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Describe and explain the important differences between the lithosphere and the asthenosphere.
The lithosphere and asthenosphere differ in their composition and physical properties.
The lithosphere and asthenosphere are two distinct layers of Earth's interior that play crucial roles in the dynamics of our planet. The lithosphere is the rigid outermost layer, consisting of the crust and a portion of the upper mantle, while the asthenosphere is the partially molten and ductile region beneath the lithosphere.
The lithosphere is characterized by its solid and brittle nature. It is composed of relatively cool and rigid rocks, including the crust and the uppermost portion of the mantle. The lithosphere is divided into several tectonic plates, which float and move atop the semi-fluid asthenosphere. These plates interact at plate boundaries, giving rise to various geological phenomena such as earthquakes, volcanoes, and mountain formation.
On the other hand, the asthenosphere is a hotter and more plastic layer beneath the lithosphere. It is composed of partially molten rocks and exhibits a higher degree of ductility compared to the lithosphere. The asthenosphere's ability to flow over long periods of time allows the tectonic plates to move and slide upon it. This flow in the asthenosphere facilitates the motion of the lithospheric plates, enabling plate tectonics and the redistribution of Earth's heat and material.
The key difference between the lithosphere and asthenosphere lies in their physical properties. The lithosphere is cooler, rigid, and prone to brittle failure, whereas the asthenosphere is hotter, more plastic, and capable of flowing over geological timescales. These contrasting properties contribute to the distinct behaviors and functions of these two layers within Earth's dynamic system.
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the zone of saturation is the portion of groundwater where
The zone of saturation is the portion of groundwater where all the available pores of rocks and soil are filled with water. It is also known as the phreatic zone.
The zone of saturation contains water, which is the reason for its name. When the water table is above the ground surface, the zone of saturation will be extended. The water table represents the division between the zone of saturation and the zone of aeration. In other words, the zone of saturation is the region where the water content is higher than the pore space in rocks or soil can support.
The upper surface of this zone is called the water table. It is characterized by the fact that water pressure in this region is equal to or greater than the atmospheric pressure. Furthermore, the amount of water that may be saved in the zone of saturation is determined by the size of pores and rocks or soil and the water pressure within the pore spaces.
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A. Six horizontal rock units occur in the area covered by Map 1 (overleaf). The base of a 100 m thick sandstone unit crops out at B, where it overlies a conglomerate bed which is 200 m thick. The sandstone is overlair by a 150 m thick mudstone bed, which is in turn overlain by basalt. Plot the outcrop pattern of the basalt, mudstone and sandstone on Map 3 using different colours or symbols (include the colours/symbols in the legend). B. A vertical diamond drill hole at E intersects 100 m of siltstone which is underlain by at least 400 m of rhyolite. Plot the outcrop pattern of the conglomerate, siltstone and rhyolite on the map (if all of these rocks crop out). Add the relevant colours/symbols to the legend. C. Construct the topographic cross-section AB, using the scale indicated on the map. D. On the cross-section AB, plot the subsurface geology using all of the above information. Include a legend showing the relationship between rock types and colours/symbols; the legend should be constructed with the units in order of relative age with the oldest unit at the base and youngest at the top.
A. Plot the outcrop pattern of basalt, mudstone, and sandstone on Map 3 using different colors/symbols and include them in the legend.
B. Plot the outcrop pattern of conglomerate, siltstone, and rhyolite on Map 3 using different colors/symbols and include them in the legend.
C. Construct the topographic cross-section AB using the indicated scale on the map.
D. On the cross-section AB, plot the subsurface geology with the oldest unit at the base and youngest at the top, using colors/symbols from the legend.
A. To plot the outcrop pattern of the basalt, mudstone, and sandstone on Map 3, we need to use different colors or symbols and include them in the legend. Here's how you can do it:
1. Start by locating the base of the sandstone unit at B on Map 1.
2. Draw the sandstone unit as a 100 m thick layer using a specific color or symbol on Map 3.
3. Next, draw the mudstone bed, which is 150 m thick, on top of the sandstone layer using a different color or symbol.
4. Finally, draw the basalt layer on top of the mudstone bed using another color or symbol.
B. For the conglomerate, siltstone, and rhyolite, we'll plot their outcrop pattern on Map 3 (if they all crop out):
1. Locate the vertical diamond drill hole at E.
2. Draw the 100 m thick siltstone layer using a specific color or symbol.
3. Below the siltstone, draw the rhyolite layer, which is at least 400 m thick, using a different color or symbol.
4. If the conglomerate also crops out, draw it using another color or symbol.
C. To construct the topographic cross-section AB:
1. Determine the scale indicated on the map.
2. Connect points A and B using a straight line.
3. Use the scale to determine the length of the cross-section.
D. On the cross-section AB, plot the subsurface geology using the given information:
1. Start with the oldest unit at the base and work your way up.
2. Use the legend to match each rock type with a color or symbol.
3. Plot the sandstone, mudstone, basalt, conglomerate, siltstone, and rhyolite layers according to their respective depths or thicknesses.
Make sure to create a clear and concise legend that shows the relationship between rock types and colors/symbols, with the oldest unit at the base and the youngest at the top.
Refer Map 1 for the rock unit occurrences and use the scale provided for accurate measurements.
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The type of frozen precipitation sometimes produced by a summer thunderstorm is______
Answer:
Hail
Explanation:
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Generally, the smoggiest air on Earth is found: a) in countries with large coal reserves, b) in the polar regions where stagnant air accumulates pollutants, c) in California, d) in the deserts where there is lots of sand. Fine particulates (less than 2.5 um) are: a) washed out by rain, b) blow around the world List the advantages \& disadvantages to either coal or uranium used for power. Which is most efficient (so 1oz=3 TONS of the other) How does plate tectonics control El Paso's climate? Atoms are successfully combined together for fusion power if confined by: a) diamond presses, b) elastic chambers, c) magnetic fields, d) powerful winds, 죠 I What is NOT a long-term carbon sink? a) coal, b) limestone, c) methane hydrates, d) combustion
Generally, the smoggiest air on Earth is found: in countries with large coal reserves. Fine particulates (less than 2.5 um) blow around the world . Atoms are successfully combined together for fusion power if confined by magnetic fields. Coal is NOT a long-term carbon sink.
Coal and uranium are the two primary sources of energy in the world today. Coal is a type of fossil fuel that has formed over millions of years from the remains of plants and animals. Uranium is a metal that is mined from the earth and used to produce nuclear energy.
Advantages of coal as a source of energy include its abundance, reliability, and affordability. Disadvantages of coal include its negative impact on the environment, including pollution and greenhouse gas emissions. Uranium has the advantage of being a low-carbon energy source that does not emit greenhouse gases. However, it is also more expensive and has the potential for nuclear accidents.
Plate tectonics controls El Paso's climate in many ways. For example, the movement of the earth's plates can create mountain ranges, which can impact temperature and precipitation patterns. Additionally, plate tectonics can influence the location and intensity of natural disasters like earthquakes and volcanic eruptions.
Atoms are successfully combined together for fusion power if confined by magnetic fields. Magnetic confinement fusion is a process in which plasma is confined by a magnetic field and heated until it reaches the point where nuclear fusion occurs. This process is being researched as a potential source of clean, sustainable energy in the future.Coal is NOT a long-term carbon sink.
Coal is a fossil fuel that has formed over millions of years from the remains of plants and animals. When it is burned for energy, it releases carbon into the atmosphere, contributing to climate change. Limestone and methane hydrates are both examples of long-term carbon sinks, as they are able to store carbon over long periods of time.
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Which of the following technical advances in agriculture led to increased productivity during the Green Revolution? (Select the four correct answers.) A. An increase in the number of small farming operations B. The development of high-yield crop varieties C. Mechanization D. An increase in the intensity of swidden agriculture E. The use of industrially produced fertilizers and pesticides F. The distribution of water to crops via irrigation
The correct answer is B, C, E, and F. The technical advances in agriculture that led to increased productivity during the Green Revolution are:
The development of high-yield crop varieties, mechanization, the use of industrially produced fertilizers and pesticides, and the distribution of water to crops via irrigation. The Green Revolution was a period of intense innovation in the field of agriculture that began in the 1940s and continued into the late 1960s.
During this time, a variety of technical advances in agriculture led to significant increases in crop yields, helping to reduce poverty and improve food security in many parts of the world.
Increased productivity during the Green Revolution: The technical advances in agriculture that led to increased productivity during the Green Revolution are: B. The development of high-yield crop varieties C. Mechanization E.
The use of industrially produced fertilizers and pesticides F. The distribution of water to crops via irrigation The other options are not correct because: A.
An increase in the number of small farming operations is not a technical advance. C. Swidden agriculture is a slash-and-burn method of agriculture that is not an advance but rather a traditional practice that can be destructive to the environment and is often not sustainable in the long term.
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the elevation of west lake ellis(within 10 feet )is______
a.60 b. 72 c. 44 d.15
the distance from the "L" in Lake Stemper to the "p" in pearl lake is _____km(use the scale at the bottom of the map.
a.1.25 b. 1.5 c. 2 d. 2.75
Cooper lake is located mostly in section ______.
a.9 b.10 c. 11 d. 12
a. 60
b. 1.5
c. 12
The correct answers are :
a) 60
b) 1.5
d) 12.
a) The elevation of West Lake Ellis is approximately 60 feet, which can be found on the topographic map.
b) The distance from the "L" in Lake Stemper to the "p" in Pearl Lake is approximately 1.5 km, which can be found on the topographic map.
c) Cooper Lake is located mostly in section 9, which can be found on the map at the bottom of the page.
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with what bioregion is the term "steppe" associated?
Steppe is a term that is often associated with the bioregion of grasslands. The term "steppe" refers to the vast expanse of grassy plains, which are often found in semi-arid and arid regions across the world.
These regions can be found in both the temperate and tropical zones of the world, and they are often characterized by their unique flora and fauna. Steppe regions are often found in areas where there is not enough rainfall to support a forest ecosystem. These regions are home to a wide variety of grasses, which have adapted to the harsh, dry conditions of the region. Animals that are commonly found in steppe regions include grazing mammals, such as antelopes and bison, as well as predators like wolves and eagles.
In conclusion, the term "steppe" is associated with the bioregion of grasslands. These regions are characterized by their vast expanses of grassy plains and unique flora and fauna. The regions can be found in both the temperate and tropical zones of the world and are often found in semi-arid and arid regions where there is not enough rainfall to support a forest ecosystem.
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Which of the following would make the best aquifer?
O clay and shale lake deposits
O vesicular basalt
O unfractured granite
O sandy beach deposits
The option D) Sandy beach deposits would make the best aquifer as it has a high permeability and porosity, allowing for abundant water storage and easy extraction.
An aquifer is an underground layer of water-bearing permeable rock, rock fractures, or unconsolidated materials (gravel, sand, or silt). Aquifers must be permeable to transmit water through the underground network of pores and cavities. Sand, for instance, is a permeable rock that can store water in between the small spaces or pores. Aquifers serve as natural reservoirs and help sustain human and animal life.
The best aquifer would be the one that has high permeability and porosity, allowing for abundant water storage and easy extraction. Now, out of the options given, the sandy beach deposits would make the best aquifer. An aquifer is an underground layer of water-bearing permeable rock, rock fractures, or unconsolidated materials (gravel, sand, or silt).
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why does mars have more extreme seasons than earth? A) because it is farther from the Sun
B) because it has a larger axis tilt
C) because it has a more eccentric orbit in addition to its tilt
D) because it has more carbon dioxide in its atmosphere
E) all of the above
The answer is E) all of the above. Mars has more extreme seasons than Earth because it is farther from the sun, has a larger axis tilt, and has a more eccentric orbit in addition to its tilt.
What causes Mars to have more extreme seasons than Earth?Mars is closer to the sun when it orbits it than Earth. It is, in general, more distant from the sun than Earth. Mars, unlike Earth, has a larger axis tilt, which allows it to experience more extreme seasons than Earth.
This large tilt causes Mars to be affected more significantly by the sun's light because it is positioned closer to the sun when the northern hemisphere experiences summer and farther from it when it experiences winter than Earth.
Although Mars has a much longer year than Earth (687 Earth days), its elliptical orbit makes it appear closer to the sun and hotter for a portion of its year than Earth.
Mars' atmospheric pressure is about 0.6% of Earth's, and its atmosphere is composed mostly of carbon dioxide.
The lack of a substantial atmosphere results in a significant temperature variation between the planet's day and night sides.
Hence, option e. is correct.
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Mars has more extreme seasons than Earth due to its more eccentric orbit in addition to its axis tilt. While its distance from the Sun and the large amount of carbon dioxide in its atmosphere are factors, they don't contribute directly to the severity of seasons.
Explanation:The answer to why Mars has more extreme seasons than Earth is C) because it has a more eccentric orbit in addition to its tilt. Mars and Earth both have a tilt in their axes, which is the key reason for the existence of seasons. However, seasons on Mars are more extreme than on Earth because Mars has a more elliptical or eccentric orbit. This means that Mars moves closer and farther away from the sun during its orbit, resulting in more noticeable variations in temperature.
While Mars is farther from the Sun than Earth and has more carbon dioxide in its atmosphere, these factors do not directly contribute to the extremity of Mars' seasons.
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Which of the following terms best characterizes upwelling in the asthenosphere?
Upwelling refers to the motion of a fluid upward from a lower to a higher level. The term is used to describe the vertical movement of fluids, including water and air, and is also used in geology to describe the movement of magma and other fluids through the Earth's crust.
The asthenosphere is a layer in the Earth's mantle that is located just below the lithosphere. It is composed of solid rock that is hot and partially melted. This layer is thought to be responsible for the movement of tectonic plates, as well as for the upwelling of magma and other fluids from deep within the Earth.
As the magma rises, it may become trapped in pockets or chambers, leading to the formation of volcanoes and other geological features. Overall, upwelling in the asthenosphere is an important process that helps to shape the Earth's surface and influence its climate.
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which effect do rapidly cooling temperatures have on the water cycle?
Rapidly cooling temperatures can cause a disruption in the water cycle.
Water cycle is a process of water movement on, above, and below the Earth's surface. It involves the transfer of water from the atmosphere to the earth and back to the atmosphere again. The water cycle is driven by solar energy and occurs naturally, but it can be disrupted by human activity.
Rapidly cooling temperatures can cause a disruption in the water cycle. It happens due to changes in precipitation patterns. During colder seasons, more precipitation falls in the form of snow and ice. If the temperature remains low, the snow and ice do not melt but rather accumulate on the ground's surface. If this pattern continues for a long time, the water cycle is disrupted. A slow water cycle can lead to droughts, which can cause severe damage to crops, wildlife, and human settlements.
Rapidly cooling temperatures can cause disruptions in the water cycle. It leads to a decrease in precipitation, which causes droughts, and leads to severe damage to crops, wildlife, and human settlements.
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Both Mars and Venus have atmospheres composed primarily of CO2.
Why then does Venus have a runaway greenhouse effect while Mars
does not?
Answer:
Why there is runaway greenhouse effect on Venus, but not on Mars? Mars' carbon dioxide is much thinner than Venus': the former world has a surface atmospheric pressure 0.6% that of the Earth's, while the latter world has a surface atmospheric pressure 9000% that of the Earth's.
Explanation:
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which african people place a high value on wooden stools
The African people that place a high value on wooden stools are the Lobi people. These stools are an essential part of their culture and are used for various purposes such as seating, as a table, and for funerary purposes.
What are wooden stools used for by the Lobi people?Wooden stools are a vital component of Lobi culture, serving various purposes, including:
Seating: These stools are primarily used for seating in homes or public places and are designed in different heights to accommodate people of various ages.
The taller stools are usually reserved for adults while the shorter ones are for children.
Used as a table: The Lobi people also use the wooden stools as tables to place food or other items when seated on the floor.
Some stools have grooves or depressions for holding cups or plates.
Funerary purposes: The wooden stools also have a significant role in funerary rituals in Lobi culture.
When a person dies, the family makes a wooden stool that represents the deceased person, which is placed in the home. The stool is believed to be the resting place of the ancestor's spirit.
Wooden stools are considered a cultural treasure in Lobi society, and they have been passed down through generations.
They are highly valued and sometimes used as a form of currency in trade transactions.
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list three things that may cause the weathering of rocks
Weathering is the process by which rocks are broken down into smaller pieces through various natural processes such as wind, water, temperature fluctuations, and living organisms. Some factors can cause the weathering of rocks.
Here are the three things that may cause the weathering of rocks:
1. Water: Water is one of the most significant factors in the weathering of rocks. It causes physical weathering of rocks when it gets into the cracks and then freezes, expanding and widening the crack. Chemical weathering also occurs when water reacts with rock minerals, causing them to dissolve or corrode.
2. Temperature: Temperature changes can cause rocks to expand and contract, leading to physical weathering. When rocks are subjected to high temperatures during the day and low temperatures at night, they can crack, spall, or flake, and break into smaller pieces.
3. Living organisms: Living organisms such as plants, bacteria, and animals contribute to the weathering of rocks. For example, plant roots can grow into small cracks in rocks and widen them as they grow. Bacteria and fungi can release acids that dissolve rock minerals, leading to chemical weathering.
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what feature is flat and covers more than 50% of the seafloor?
The feature that is flat and covers more than 50% of the seafloor is called the abyssal plain. The abyssal plain is a large, flat area of the ocean floor that covers more than half of the Earth's surface.
It is located in the deep sea and is characterized by its relatively smooth, featureless surface. There are several features of the abyssal plain that make it unique. One of the most important is its flatness. Unlike other areas of the ocean floor, the abyssal plain is relatively smooth and flat. This makes it an ideal location for studying the ocean floor and the geology of the Earth's crust.
Other features of the abyssal plain include its deep, dark waters, which are home to a variety of strange and unusual creatures. The water pressure at the bottom of the abyssal plain is also very high, which makes it difficult for humans to explore.
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most lava crystallizes to form igneous rocks with phaneritic textures
True false
False, most lava crystallizes to form igneous rocks with aphaneritic textures not phaneritic textures.
How igneous rocks are formedIgneous rocks are formed through the solidification and crystallization of molten rock material, known as magma or lava. There are several processes in the formation of the rock and these processes are interconnected.
1. Melting: Igneous rocks originate from the melting of pre-existing rocks in the Earth's crust.
2. Magma Formation: When rocks melt, they form a molten material called magma. Magma is a mixture of liquid rock, dissolved gases, and suspended crystals.
3. Cooling and Crystallization: As magma rises to shallower depths or reaches the Earth's surface through volcanic eruptions, it begins to cool down.
4. Mineral Formation: As the magma cools and solidifies, the minerals start to form crystals.
5. Texture: An igneous rock's texture can be characterized by the size and arrangement of the mineral grains that make up the rock.
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detritus feeders and decomposers are most likely found in the
Detritus feeders and decomposers are most likely found in the soil. They are organisms that break down dead organic matter and return nutrients to the soil, making it possible for new plants to grow.
Detritus feeders are organisms that break down dead plant and animal matter into smaller particles. These particles are then consumed by other organisms, such as decomposers or predators. The most common detritus feeders are bacteria, fungi, and insects like earthworms, millipedes, and springtails. Decomposers are organisms that break down organic matter into simpler compounds like carbon dioxide, water, and nutrients.
They play a crucial role in the ecosystem by recycling nutrients and returning them to the soil, where they can be used by plants to grow. Some common decomposers include bacteria, fungi, and certain types of worms. Decomposers and detritus feeders are essential to the health of an ecosystem. Without them, dead organic matter would accumulate and nutrients would be lost, making it difficult for new plants to grow.
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which rock cannot be found as a chemical sedimentary rock
Chemical sedimentary rocks are formed by the precipitation of minerals from water. There are three types of sedimentary rocks: clastic, organic, and chemical.
What can they not do?Chemical sedimentary rocks cannot be formed by mechanical weathering and erosion but rather through the precipitation of minerals from water.
The rock that cannot be found as a chemical sedimentary rock is the igneous rock. Igneous rocks are rocks that solidify from molten or partially molten material.
They are not formed through the precipitation of minerals from water like chemical sedimentary rocks. Instead, they are formed through the cooling and solidification of magma or lava.
Some common examples of igneous rocks are granite, basalt, and pumice.
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In the geovisualization view from Point Sublime, you are instructed to look south and describe the landform associated with the Bright Angel Shale. What is the best description for that landform in the view from Point Sublime? Select the best answer. A) a topography of conical hills inside the Grand Canyon. B) a platform inside the Grand Canyon. C) a mixture of cliffs and risers inside the Grand Canyon. D) a stair-stepped topography inside the Grand Canyon
The correct option is D) a stair-stepped topography inside the Grand Canyon.
The land form associated with the Bright Angel Shale in the view from Point Sublime is "a stair-stepped topography inside the Grand Canyon.
Point Sublime is a stunning viewpoint on the North Rim of the Grand Canyon. It is located 18 miles south of the entrance to the North Rim and is only accessible via a 45-minute dirt road. The Bright Angel Shale is a geological feature in the Grand Canyon that is exposed at the base of the walls along the Colorado River, extending down through the inner gorge.
A stair-stepped topography is a landform characterised by a series of step-like structures created by the erosional processes of water, wind, and ice. This term is used to describe the appearance of the Bright Angel Shale in the view from Point Sublime.
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Cleveland, OH, where the maximum and minimum temperatures were 70°F and 58°F respectively, experienced a mean temperature of ______°F (round up if necessary).
A. 58 B. 60 C. 64 D.66
Cleveland, OH, where the maximum and minimum temperatures were 70°F and 58°F respectively, experienced a mean temperature of 64°F. Here option C is the correct answer.
To find the mean temperature in Cleveland, Ohio, we need to calculate the average of the maximum and minimum temperatures.
The maximum temperature is given as 70°F, and the minimum temperature is given as 58°F. To find the mean temperature, we add these two values together and divide by 2 since there are two data points:
(70°F + 58°F) / 2 = 128°F / 2 = 64°F
Therefore, the mean temperature in Cleveland, Ohio, is 64°F.
It's worth noting that the mean temperature is also known as the average temperature and represents the central tendency of the data set. In this case, it provides an estimate of the typical temperature experienced in Cleveland during the given time period. The correct answer is option C: 64°F.
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What is the new frontier on earth today? a. the arctic b. outer space c. oceans d. Answers a \& c Why is the pronghorn antelope called an "ecological ghost?" a. Because they still run in large numbers across the plains of North America b. Because they don't have an opportunity to live a free life c. Because they are being helped by the federal government d. Because only a few antelope survived the loss of their original habitat SUMMARIZE the documentary "Wild Canada, the Eternal Frontier." Identify the different animals from east to west across the country. The documentary is not just about animals. What else does it tell you? (Write 6-8 complete sentences -- 3 points) Canada's West Coast is home to a third of the world's remaining temperate rainforest. True False REFLECTION: Thinking about the documentary, do you think Canada has an "eternal frontier?" Write your reasons why? What are some challenges and responsibilities facing Canadian people today? (Write 6-8 complete sentences - 4 points) Which statement is true about the small fish called capelin? a. Huge shoals of capelin number in the tens of thousands along the coast of Newfoundland each spring. b. Capelin spawn in the deep ocean and swim to shore fighting to lay their eggs on the beach. c. The largest gathering of Humpback whales in the world feed on capelin in the north Atlantic ocean. d. Capelin are not true beach spawners. Why did early human inhabitants use controlled burning to shape their environment? a. They wanted the trees to grow bigger and produce more fruit and nuts. b. They wanted to replace the oak forest with colourful maple trees. c. They wanted to create large grassy openings in the forest. d. Answers a \& c e. Answers a,b \& c What covered the full length of Canada 15,000 years ago? a. forest, land, water b. glacial ice c. waterbodies, land, mammoths d. mammoths, grassland, forest, humans What happened after the mammoths were killed off by early humans? a. The fertile grassland changed into frozen tundra. b. The ground turned wet and boggy and has stayed that way. c. Mammoth animals repopulated the tundra and the grassland returned. d. Fertile grassland has replaced the frozen tundra.
The new frontier on Earth today is a combination of the Arctic and the oceans (Answers a & c).
These two regions hold immense potential for exploration, scientific research, and resource extraction. The Arctic, with its vast untapped reserves of oil, gas, and minerals, has become an area of interest for countries looking to secure their energy and economic future. Additionally, the melting ice caps in the Arctic are opening up new shipping routes, leading to increased trade opportunities.
Similarly, the oceans are a frontier of great importance due to their abundant biodiversity and potential for sustainable resource exploitation. The deep-sea holds numerous undiscovered species and ecosystems that could contribute to advancements in medicine and other fields. Moreover, the oceans are crucial for regulating the Earth's climate and supporting life on the planet.
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Which one of the following is not associated with mechanical weathering by insolation?
a. Block disintegration
b. Granular disintegration
c. Carbonation
d. Exfoliation
The correct option is c. Carbonation. Carbonation is not associated with mechanical weathering by insolation. Mechanical weathering is a physical process that causes the breakdown of rocks into smaller pieces without changing the rock's chemical composition.
Mechanical weathering processes can be accomplished in several ways, including insolation or changes in temperature and pressure. The different processes of mechanical weathering include block disintegration, granular disintegration, and exfoliation. Block disintegration occurs when rocks crack and split due to temperature changes. Granular disintegration happens when rocks disintegrate into individual mineral grains.
Exfoliation happens when large slabs of rocks split into smaller plates. Carbonation is a type of chemical weathering where atmospheric carbon dioxide mixes with water to form carbonic acid. Carbonic acid reacts with minerals in rocks, particularly calcium carbonate, causing them to dissolve. Therefore, carbonation is not associated with mechanical weathering by insolation.
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How far is the drive from Sacramento to San Francisco?
a. Approximately 90 miles
b. Approximately 100 miles
c. Approximately 120 miles
d. Approximately 150 miles
The drive from Sacramento to San Francisco is-A. approximately 90 miles.
The journey takes approximately 1 hour and 30 minutes to drive the distance.
What is the distance from Sacramento to San Francisco?The drive from Sacramento to San Francisco is approximately 90 miles. Sacramento is the capital city of California and San Francisco is one of California's most popular cities.
An approximate 90-mile journey separates Sacramento and San Francisco.
San Francisco is one of the most well-known cities in California, and Sacramento is the state capital.
The driving distance from Sacramento to San Francisco is approximately 90 miles.
The journey takes approximately 1 hour and 30 minutes to drive the distance.
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