1. Discuss the classification of Rocks based on their origin. 2. Discuss the following types of Rocks (Give examples): a. Clastic Reservoir Rocks; b. Sandstones; c. Calcareous Reservoir Rocks. 3. Discuss the classification of Carbonates 4. Explain the following: a. Reefs; b. Clays.

The height of the tower, H, is given by (h * tan(α))/(tan(β) - tan(α)).

Let's denote the height of the tower as H. From the given information, we can form a right triangle with the tower, the flagstaff, and a point on the ground.

In the right triangle, the angle of elevation of the bottom of the flagstaff is α, and the angle of elevation of the top of the flagstaff is β. The difference between these two angles is the angle of elevation from the bottom of the flagstaff to the top, which is (β - α).

Using trigonometric ratios, we can write:

tan(α) = H/x, where x is the distance from the point on the ground to the bottom of the flagstaff.

tan(β) = (H + h)/x, where h is the height of the flagstaff.

We can rearrange the first equation to express x in terms of H:

x = H/tan(α)

Substituting this value of x into the second equation:

tan(β) = (H + h)/(H/tan(α))

tan(β) = (H + h) * tan(α)/H

Now, we can solve this equation for H:

H * tan(β) = (H + h) * tan(α)

H * tan(β) = H * tan(α) + h * tan(α)

H * (tan(β) - tan(α)) = h * tan(α)

H = (h * tan(α))/(tan(β) - tan(α))

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Answer:

Hey!

Your answer is A. Continental crust is pulled apart at a divergent boundary.

Explanation:

A rift basically is another word for MOVING APART...at divergent boundaries the plates MOVE APART...

Sometimes in this case, the part of land on the boundary can sink into the space created by the parting...this is what we see in the East African Rift Valley (and the whole valley in general!).

Answer:

a

Explanation:

Geographic scale refers to the level of detail or extent of geographical analysis. It allows us to examine processes and phenomena at different levels, such as local, regional, national, or global scales. When studying uneven development, the concept of geographic scale helps us understand how this disparity occurs and is influenced by different factors.

At a smaller scale, such as the local level, we can observe the impacts of specific policies, resources, or infrastructure on development. For example, in a city, the presence of well-funded schools and healthcare facilities may contribute to higher development levels in certain areas, while neglected neighborhoods face lower development. Moving to a regional or national scale, we can analyze how economic and political factors play a role in uneven development. For instance, certain regions may have access to valuable natural resources or industries that stimulate growth, leading to economic disparities between regions. At a global scale, we can examine the influence of trade, globalization, and historical factors on uneven development. Colonial legacies, for example, have had lasting effects on the economic development of many countries.

Geographic scale helps us understand the processes of uneven development by allowing us to analyze development disparities at different levels, from local to global. This analytical framework helps identify factors contributing to uneven development and the impacts they have on societies.

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A) True

The statement that sediment grain shape is the primary basis for distinguishing among various siliciclastic sedimentary rocks is true.

Sediment grain shape is indeed a primary basis for distinguishing among various siliciclastic sedimentary rocks. Siliciclastic sedimentary rocks are formed from the accumulation of sedimentary particles derived from the weathering and erosion of pre-existing rocks. These particles, known as clasts, can vary in shape, size, and composition.

The shape of sediment grains can provide important clues about the processes involved in their transport and deposition. Various sedimentary environments, such as rivers, beaches, and deserts, have different flow conditions and energy levels that affect the shape of the sediment grains.

For example, in high-energy environments like fast-flowing rivers, sediment grains tend to be more angular and have a rough surface texture. In contrast, in low-energy environments like lakes or calm ocean settings, sediment grains are typically more rounded and well-sorted.

By examining the shape characteristics of sediment grains in a rock sample, geologists can make inferences about the sedimentary environment in which the rocks were formed. This information helps in distinguishing between different types of siliciclastic sedimentary rocks, such as sandstones, siltstones, and mudstones, which have distinct grain size and shape characteristics.

The statement that sediment grain shape is the primary basis for distinguishing among various siliciclastic sedimentary rocks is true. The shape of sediment grains provides valuable information about the depositional environment and allows geologists to differentiate between different types of sedimentary rocks.

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Answer:

What makes the Earth's crust conducive for living are temperature, oxygen and also water.

Explanation:

What makes the Earth's crust conducive for living are temperature, oxygen and also water and this is because, the temperature of the crust is good and okay for survival of living things include plants and animals

The temperature is not to high and not too cold, it's is moderate and support life.

Oxygen is present in Earth's crust and this is an important gas that support life because it plays an essential role in respiration which is important for the energy producing process and metabolism of living things. Living things like humans and animals require oxygen to breathe in other to stay alive and it is released during photosynthesis.

The Earth's crust is a layer of water which important for living things. Water is important to breakdown food molecules during respiration in order to produce energy and it is important in some body metabolism processes.

It is essential for plants growth.

The Earth's crust is conducive for living organisms to survive due to the availability of water, oxygen and good temperature.

The earth's crust is made up of land that is of great importance to living things. Most of the activities of living organisms are carried out on land.

The earth crust is made up of large water bodies that are habitats to living organisms and also provides drinking water for others.

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The index minerals of Barrow metamorphic zones arranged from lowest to highest temperature are:

Chlorite

Biotite

Garnet

Staurolite

Kyanite

Sillimanite

Explanation:

Metamorphic zones are divisions in a rock sequence based on the presence of specific index minerals that form under certain temperature and pressure conditions. The Barrow metamorphic zones represent a sequence of increasing temperature.

At the lowest temperature, we find chlorite, which forms under relatively low-grade metamorphic conditions. As the temperature increases, biotite appears, indicating a higher metamorphic grade. Garnet is found at higher temperatures and pressures, indicating a further increase in metamorphic conditions. Staurolite follows garnet in the sequence, representing a higher metamorphic grade.

Kyanite occurs at even higher temperatures and pressures, indicating a more advanced stage of metamorphism. Lastly, sillimanite is the highest temperature index mineral found in the Barrow metamorphic zones, representing the highest grade of metamorphism.

In conclusion, the arrangement of index minerals in the Barrow metamorphic zones from lowest to highest temperature is: chlorite, biotite, garnet, staurolite, kyanite, and sillimanite.

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In a river, channel, or other conduit carrying flow, a hydrograph is a graph that displays the rate of flow (discharge) vs time beyond a particular point. The flow rate is commonly stated in cubic metres per second (cms) or cubic feet per second (cfs).

The probability of flooding along the river is modest, according to a mild hydrograph. The peak rainfall takes longer to reach the river channel due to the long lag time and gradually rising limb of these sorts of hydrographs, which results in a gradual increase in river discharge.

A unit hydrograph for a given catchment displays the flow brought on by a certain amount of effective precipitation falling in a given amount of time, such as the flow brought on by, say, 10 mm of effective precipitation in a given hour.

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The river would be 10,000 cm long on the 1:50,000 scale map. The two towns would be 60,000 cm apart on the 1:200,000 scale map.

To determine the length of the river on a 1:50,000 map, we need to convert the actual distance to the corresponding distance on the map scale.

Map scale represents the relationship between distances on the map and actual distances on the ground. For a 1:50,000 scale map, it means that 1 unit on the map represents 50,000 units on the ground.

Therefore, to find the length of the river on the map in centimeters (cm), we can set up the following proportion:

10 km (actual distance) = x cm (map distance)

50,000 units (ground scale) = 1 unit (map scale)

Solving this proportion, we get:

x cm = (10 km * 50,000 cm) / 50,000

x cm = 10,000 cm

So, the river would be 10,000 cm long on the 1:50,000 scale map.

Similarly, for the two towns that are actually 60 km apart on a 1:200,000 scale map, we can set up the proportion:

60 km (actual distance) = x cm (map distance)

200,000 units (ground scale) = 1 unit (map scale)

Solving this proportion, we get:

x cm = (60 km * 200,000 cm) / 200,000

x cm = 60,000 cm

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Milpa is a cropping system that consists of crops such as corn, beans, and squash.

Milpa is a traditional cropping system that originated in Mesoamerica and is still practiced today in certain regions. It is a sustainable and intercropping system that involves growing multiple crops together in the same field. The three main crops in a milpa system are corn, beans, and squash. This combination of crops is often referred to as the "Three Sisters."

Corn provides a tall stalk for the beans to climb, beans fix nitrogen in the soil, benefiting all the crops, and squash covers the ground, preventing weed growth. This symbiotic relationship between the crops makes the milpa system a successful and sustainable agricultural practice. Additionally, the milpa system also promotes biodiversity and reduces the risk of crop failure. While other crops can be added to a milpa system based on the farmer's preference and local conditions, corn, beans, and squash are the primary crops associated with the milpa cropping system.

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Answer is:

Archeologists

Answer:

Hey!

Your answer is most likely to be ARCHEOLOGISTS!

Explanation:

It could also be PALENTOLOGISTS but the most common is ARCHEOLOGISTS!

A Grand Unified Theory (GUT) refers to a theory that unifies the electromagnetic force, the strong nuclear force, and the weak nuclear force. The correct answer is option b.

It aims to describe these three fundamental forces as different manifestations of a single unified force at high energies.

However, a GUT does not include gravity in its unification. Gravity, described by Einstein's theory of general relativity, remains separate and distinct from the other fundamental forces in a GUT.

Therefore, the correct statement is that a GUT unifies the electromagnetic force, the strong nuclear force, and the weak nuclear force, but not gravity.

The correct answer is option b.

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Complete question

A Grand Unified Theory (GUT) refers to a theory that unifies

a. all four of the fundamental forces.

b. unifies the electromagnetic force and the strong and weak nuclear forces.

c. unifies the strong and weak nuclear forces.

d. unifies gravity and the electromagnetic force.

e.  None of the above.

Answer:

The scientists believe that they arose in Africa and spread to the rest of the world.

Explanation:

A is not correct because the Homo sapiens is not the earliest ancestor of moern humans, but it is the latest.

B is not correct because such evidence is lacking, and even though the Homo sapiens mixed with other hominids in Eurasia and sub-Saharan Africa, they were not of the same species.

C is correct because the evidence suggests for now that the Homo sapiens arose in Africa, and through several migration waves spread out on the other continents.

D is not correct because the Homo sapiens has not been replaced by any other species, as they are the species nowadays known as humans.

Answer:

legend

Explanation:

it tells you what everything means

Legend can be found in all maps. Thus, option (b) is correct.

What is a map?

A “map” refers to a visual representation of a particular place, such as a city, town, hamlet, or part of the planet. Locate a location fast by using a map. The map represents four directions such as North, East, West, and South. The map is shown on a particular location and makes use of figurative lines for things like food, traffic, and roads.

The term "legend" refers to the oldest and most important use of the maps. The legends refer to the visual representation of the points, lines, and areas as a symbol.

Digital maps use new types of legends such as points, compasses, a symbol of slopes, traffic, food, banks, and other legends to easily find the location.

As a result, legend is the primary use the maps.

Therefore, option (b) is correct.

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B. Only men hace voting rights.

Explanation:

According to the 2015 US Department of State report on Israel, "The law provides citizens the ability to choose their government in free and fair periodic elections based on universal and equal suffrage, and citizens exercised this ability." Elections held in March 2015 were considered free and fair by observers.

hope this help

Answer:

B

Explanation:

just got this question right

The North Star, also known as Polaris, is located very close to the North Celestial Pole. The altitude at which an observer in Atlanta, Georgia would see the North Star depends on their latitude. Atlanta is at a latitude of approximately 33 degrees North.

Since Atlanta is located below the North Pole, the North Star will appear above the horizon. The altitude of the North Star in Atlanta can be estimated by subtracting the observer's latitude from 90 degrees (the altitude of the zenith, directly overhead).  Therefore, the approximate altitude at which an observer in Atlanta would see the North Star is 57 degrees (90 - 33 = 57 degrees).  An observer in Atlanta, Georgia would observe the North Star at an altitude of approximately 57 degrees.

The altitude at which an observer in Atlanta, Georgia would observe the North Star, also known as Polaris, depends on their latitude. Since Atlanta is below the North Pole, the North Star will appear above the horizon. An observer in Atlanta, at a latitude of approximately 33 degrees North, would see the North Star at an altitude of approximately 57 degrees. This can be estimated by subtracting the observer's latitude from 90 degrees, the altitude of the zenith directly overhead.

An observer in Atlanta, Georgia, at a latitude of approximately 33 degrees North, would observe the North Star at an altitude of approximately 57 degrees. The altitude of the North Star can be estimated by subtracting the observer's latitude from 90 degrees.

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The situation in which the precautionary principle has been least strictly applied is a chain of health stores is allowed to sell over-the-counter nutritional supplements that have not been tested by the Food and Drug Administration for adverse effects. Here option C is the correct answer.

The precautionary principle is a strategy that serves to safeguard human and environmental health from dangerous activities, even in the face of a lack of scientific certainty. It is frequently used in conjunction with environmental issues such as pollution, chemical production, and waste management.

The principle is applicable in situations where human or environmental health is at risk due to a lack of scientific understanding. The precautionary principle is based on the idea that it is preferable to take precautionary measures in advance of any potential harm, even if the degree of potential harm is unknown. In this situation, the precautionary principle has been least strictly applied.

It means that the principle has not been followed thoroughly because the health stores are allowed to sell nutritional supplements without testing for any adverse effects. This act poses a potential threat to human health, and precautionary measures should be taken in advance. Therefore option C is the correct answer.

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1. The gradient of the volcano is 640 ft/mile.

2. The gradient of the volcano is 3,200 ft/mile.

3. The gradient of the volcano is 1,800 ft/mile.

1. The gradient of the volcano with a change in elevation of 6,400 feet over a distance of 10 miles is 640 ft/mile.

Gradient is calculated by dividing the change in elevation by the distance traveled. In this case, the change in elevation is 6,400 feet and the distance is 10 miles. Thus, the gradient is:

Gradient = Change in elevation / Distance

= 6,400 ft / 10 miles

= 640 ft/mile

The gradient of the volcano is 640 ft/mile.

Based on the given information, we cannot determine the type of volcano solely from the gradient. The gradient provides information about the steepness of the volcano but not its specific type. To determine the type of volcano, additional characteristics need to be considered.

2. The gradient of the volcano with a change in elevation of 640 feet over a distance of 0.2 miles is 3,200 ft/mile.

Using the same formula as before, we calculate the gradient:

Gradient = Change in elevation / Distance

= 640 ft / 0.2 miles

= 3,200 ft/mile

The gradient of the volcano is 3,200 ft/mile.

Based on the given information, we cannot determine the type of volcano solely from the gradient. The gradient provides information about the steepness of the volcano but not its specific type. To determine the type of volcano, additional characteristics need to be considered.

3. The gradient of the volcano with a change in elevation of 3,600 feet over a distance of 2 miles is 1,800 ft/mile.

Using the same formula as before, we calculate the gradient:

Gradient = Change in elevation / Distance

= 3,600 ft / 2 miles

= 1,800 ft/mile

The gradient of the volcano is 1,800 ft/mile.

Based on the given information, we cannot determine the type of volcano solely from the gradient. The gradient provides information about the steepness of the volcano but not its specific type. To determine the type of volcano, additional characteristics need to be considered.

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Environmental stressors like temperature and drought can influence an ecosystem's carrying capacity, with impacts that can be both positive and negative.

High temperatures and drought can decrease the carrying capacity of an ecosystem by reducing water availability, limiting plant growth, and increasing stress on organisms. This can lead to reduced food availability and habitat quality, potentially causing population declines and ecosystem instability. On the other hand, in certain ecosystems, moderate increases in temperature and occasional droughts can enhance nutrient cycling, increase plant productivity, and promote ecological diversity, thereby positively influencing the carrying capacity.

Under projected climate change, the negative impacts of increased temperature and prolonged drought are more likely to outweigh the positive effects in the long run. Rising temperatures and more frequent and severe droughts can lead to widespread ecological disruptions, loss of biodiversity, and decreased carrying capacity.

These impacts can have far-reaching consequences for both terrestrial and aquatic ecosystems, affecting species distributions, food webs, and overall ecosystem functioning. Mitigation and adaptation strategies are crucial to minimize the negative impacts of climate change on carrying capacity and to promote ecosystem resilience in the face of these environmental stressors.

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The conditions necessary for the formation of stratiform clouds are a lifting action and unstable, moist air. Here option C is the correct answer.

The term stratiform refers to a flat, layered, and continuous horizontal cloud layer. Stratiform clouds usually form over large areas, with a relatively consistent cloud base height and thickness. They often cover the entire sky and can generate rain or snow over a broad area.

Stratiform clouds are formed under specific conditions. A lifting action, like that caused by a front or an air mass, is required. A stable atmosphere may prevent cloud formation by limiting the upward flow of air, but an unstable atmosphere allows for vigorous upward air movement.

Moist air is necessary for cloud formation since the moisture evaporates and rises, forming clouds. Thus, the conditions necessary for the formation of stratiform clouds are a lifting action and unstable, moist air. Therefore, option C is correct.

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The process of moving sediments is called Erosions

1. San Francisco is on the west coast of North America. Their climate is modified by a cold ocean current.

2. Water needs to have a surface to condense onto. In the atmosphere, these surfaces are called condensation nuclei.

1. The cold ocean current that influences San Francisco's climate is the California Current. This current flows southward along the west coast of North America, bringing cold water from higher latitudes. As the current passes by San Francisco, it cools down the nearby coastal areas, contributing to the region's characteristic cooler and milder climate compared to other parts of the United States at similar latitudes.

2. Condensation nuclei are small particles or surfaces in the atmosphere on which water vapor can condense to form liquid water droplets or ice crystals. These particles serve as the initial "seeds" for the condensation process, as water vapor tends to condense more readily onto surfaces than in free air. Common examples of condensation nuclei include dust, pollen, salt particles, and pollution particles. When the air becomes saturated with water vapor, it starts to condense on these nuclei, leading to the formation of clouds or other forms of condensed water in the atmosphere.

The cold California Current influences San Francisco's climate by bringing cold water from higher latitudes, and condensation nuclei in the atmosphere serve as surfaces on which water vapor can condense, leading to the formation of clouds and precipitation.

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Answer: Kush

Explanation:

Answer:

kush

i just answer it and got a edg2020

Answer:

Rome’s geography protected the city from invaders.

Rome’s central location made it a center for trade throughout the Mediterranean.

Rome’s lack of natural resources encouraged expansion.

Rome’s distance from Greece protected its culture from Greek influence.

Answer:

Africa will fight and go to war.

Explanation:

i dont know i use my own brain.

If ONLY the mass changed, the surface gravity of G1132 b would be 1.66 times that of Earth.

If ONLY the radius changed, the surface gravity of G1132 b would be 0.894 times that of Earth.

Combining the two factors, the surface gravity of G1132 b must be 1.482 times that of Earth.

If your weight is 548 Newtons on Earth, your weight on G1132 b would be 812.536 Newtons.

We take into account the distinct effects of mass and radius to calculate the surface gravity of G1132 b in relation to Earth. The surface gravity would change in direct proportion to the mass ratio if only the mass varied. G1132 b's mass is 1.66 times that of Earth, so it follows that its surface gravity is also 1.66 times that of Earth. Similar to this, the surface gravity would be inversely proportional to the radius ratio if only the radius changed.

G1132 b's radius is 1.13 times that of the Earth, so its surface gravity is roughly 0.894 times that of the planet. We add the two factors and find that the surface gravity of G1132 b is roughly 1.482 times that of Earth by multiplying the mass factor (1.66) by the radius factor (0.894). This means that if you weigh 548 Newtons on Earth, you would weigh roughly 812.536 Newtons on G1132 b.

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This is an example of the correlation implies causation fallacy.

The statement suggests a connection between two unrelated events, Mars being in retrograde and breaking an arm. It assumes that because these events occurred at the same time, there must be a causal relationship between them. However, this is a logical fallacy known as "correlation implies causation." It is important to recognize that correlation, or the simultaneous occurrence of two events, does not necessarily imply a causal relationship between them. There may be other factors or coincidences at play that are responsible for the broken arm, unrelated to the position of Mars.

When assessing causality, it is essential to consider evidence beyond mere correlation. Drawing conclusions based on coincidental events without proper evidence can lead to logical fallacies and inaccurate conclusions.

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1. Ocean-continent convergent plate boundaries: When an oceanic plate collides with a continental plate, the denser oceanic plate is subducted beneath the continental plate. As the oceanic plate sinks into the mantle, it undergoes partial melting, resulting in the formation of silicic melt. This melt is rich in silica and has a high viscosity.

2. Continental hot spots: Hot spots are areas of volcanic activity that occur due to plumes of hot mantle material rising to the Earth's surface. When these plumes interact with the continental crust, they can generate silicic melt. This melt is often associated with explosive volcanic eruptions and the formation of large volcanic calderas.

In conclusion, the most silicic melt can be found at ocean-continent convergent plate boundaries and continental hot spots. These settings involve processes that lead to the generation of silicic melt, which is rich in silica and has high viscosity. The most silicic melt can be found at ocean-continent convergent plate boundaries and continental hot spots. These settings involve processes such as subduction and interaction with mantle plumes that lead to the formation of silicic melt, which is rich in silica and has a high viscosity.

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