Why are assemblages of fossils seen in successive geological periods so different?

Answers

Answer 1

The reason behind the assemblages of fossils is so different because there was a rapid continental drift.

What is continental drift?

When there was a motion that took place among the tectonic plates and as a result there was the movement of the continents.  It was a hypothesis in the context of the   Earth's continents.

According to it, it is the  Earth's continents that have been moved over geologic time relative to each other. Because of all this, there was an appearance of the drift across the ocean bed. All this resulted in assemblages of fossils in such a way, that it appears different on different continents.

Thus, the assemblages of fossils were seen so differently because there was a rapid continental drift.

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Related Questions

Toxic waste that have posed problems to property owners in the last two decades include:_______.

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Answer:

Toxic waste that have posed problems to property owners in the last two decades include: asbestos

Any change in the air's ________ content could alter temperatures in the lower atmosphere.

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Answer:

Any change in the air's carbon dioxide content could alter temperatures in the lower atmosphere.

The primary reason professional observatories are built on the highest mountaintops is to.

Answers

Answer:

The air is clean and dry, not flooded with city lighting)

In order to perform photosynthesis, a plant needs to obtain _____ from the air and _____ from the soil.

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carbon dioxide from air and water from the soil .

hope it helps...

In order to perform photosynthesis a plant needs to obtain “carbon dioxide“ from the air and “water“ from the soil


What type of mass movement is characterized by a crescent-shaped scarp in a rock mass?

Answers

A Slump is a type of mass movement which is characterized by a crescent-shaped scarp in a rock mass?

How are builders in the bay area responding to prevent future earthquake damage?

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Building designs use pistons to keep platforms under buildings level during earthquake shaking. Builders in the bay areas responds to prevent the earthquake in future by designing the buildings using pistons to keep platforms under buildings level during earthquake shaking.

In California there is strict building requirement to protect schools and hospitals from a major earthquake bay area or location will never forget how many lives are lost , bay area engineers went to work designing new technology to eventually anchor the building of today.

After the historic earthquake, bay area engineers went to work designing new technology to eventually anchor the building of today.

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What feature is associated with an island just offshore of a beach? tombolo stack barrier island estuary

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Tombolo is associated with an island just offshore of a beach.

A tombolo is a depositional feature that is formed when the longshore current, moving parallel to the sea shore, carries the sand long with them and deposits along the shoreline. It  is associated with an island just offshore of a beach while the tombolo is connecting a large piece of land with a small island.

It has  a part that is usually sandy, and it looks as a natural bridge or trail that is connecting two pieces of land, and that is what occasionally can make a confusion. It is situated  just offshore of a beach.

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When are upper air winds fastest? anytime surface temperature gradients are weak in summer in winter these winds maintain about the same speed throughout the year.

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In winter the upper air winds fastest .

Why wind speed higher in winter ?

Temperature differences between air masses lead to pressure differences and this produces wind. The winter brings higher temperature gradients especially when cold fronts move in from polar regions and this causes wind speeds that are higher than normal.

Since the wind direction at the higher level is parallel to the isobars and its speed  is greater than surface wind this transfer causes the surface wind to veer and increase in speed.

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Harvesting trees by cutting them down to the ground and then leaving them regrow is called __________.

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Harvesting timber by reducing them right down to the ground after which leaving them to regrow is called Reforestation.

Reforestation can be described as the method of replanting bushes in regions that have been laid low with natural disturbances like wildfires, drought, and bug and disease infestations — and unnatural ones like logging, mining, agricultural clearing, and development.

Reforestation will now not most effective check environmental pollutants but help to hold flora and fauna. similarly to the weather blessings, reforestation has the capacity to maintain endangered species. A convalescing wooded area restores habitat loss and degradation and threats to species health.

Reforestation consists of planting timber or allowing trees to regrow on land that had currently been blanketed with wooded area. Afforestation entails planting trees on the land that has no longer lately been included in wooded areas.

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how can we solve environmental degradation ? some of the causes of flood​

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We are gradually seeing that economic incentives do not enable environmental rescue or alter consumer or business behavior as we had anticipated. This cannot be left to market forces, as companies will engage in "greenwashing" in an effort to win over more "environmentally sensitive" Western consumers. We must comprehend the seriousness of many facets of contemporary human life.

Consider two cultural and habitual changes that could benefit the environment and how we might make them happen: eating habits and the use of fossil fuels.

Eating habits:

Western societies consume far too much food. It's alarming on so many levels that overweight individuals globally virtually outnumber underweight people. In ten years, 40% of Britons will be overweight, compared to 45% of Americans.

How is this environmentally degrading?

The need for crops used as animal feed and for cattle grazing is what mostly drives deforestation. Cattle is used to make the meat-heavy foods that make up a large portion of the American diet and lifestyle, such as hamburgers, steaks, pies, and stews (McDonald's). Additionally, methane, the most potent natural greenhouse gas and a significant contributor to temperature rise, is produced in large quantities by cows, which creates a number of problems for the environment (drought, sea level rise). The Amazon serves as the world's lungs, and destroying this essential ecosystem means lowering oxygen levels and moisture absorption, which reduces surface runoff and increases the risk of flooding and drought. A significant issue is meat.

How can solve this issue?

Taxation. What is the largest obstacle for the majority of low- to middle-income shoppers when they browse a menu or buy for food in supermarkets? Price. If we want to slow down the effects of climate change, meat should only be consumed once per week rather than being a need. A greater tariff on beef would result in less beef being produced and more people eating other meat, which requires significantly less space and feed for the animals. Although I am aware of the economic ramifications, the market would adjust by providing substitutes.

Carbon Emissions:

In order for society to function as it does in the modern world, it needs machinery, heating, lighting, and transportation. We need fossil fuels like coal, oil, and natural gas for that. They cause a variety of issues.

How is this environmentally degrading?

In order for society to function as it does in the modern world, it needs machinery, heating, lighting, and transportation. We need fossil fuels like coal, oil, and natural gas for that. They offer a variety of proaCO2 levels have been rising at unusually rapid rates since the turn of the 20th century. With the use of polluting fossil fuels, we are changing the climate of our planet. The essential greenhouse effect is being strengthened. A few issues include the alteration of warm/cold currents, an increase in sea level, and a decrease in albedo effect (the ability of white surfaces to reflect heat from the sun).  This in turn can cause drought, flooding, which in turn causes crop failure, mass displacement and immigration, which in turn? Well, probably war and if it got really bad, extinction.

How can we solve this?

Tax. You guessed it. CO2 emissions can be drastically reduced through taxation and legally enforceable legislation on company and governmental targets. Will this be a profitable endeavor? Absolutely, it would. What would we do with all the short-term tax revenue from CO2 emissions? To stop the long-term destruction, create creative and green technologies on a global scale. Businesses would be obliged to change their operating methods and move away from the combustion engine. The transportation sector would start up at a much faster rate than Tesla has demonstrated is achievable with cutting-edge automobiles and the like. a compulsion to go at a faster pace since time is of the essence. Solar and wind energy would become more effective as a result of the enormous delivery of renewable technology. We can rely on the biggest companies to innovate and generate enormous amounts of tax cash to innovate as national governments by restricting CO2 emissions and other damaging greenhouse gases released by those companies.

Thank you,

Eddie

questions

Explain the major criteria used classify settlements as urban in Ethiopia

A large area undergoes the same amount of metamorphism. all rock reach the same metamorphism grade. however, after the metamorphism some rocks are marble and some rocks are slate . why?

Answers

The metamorphic grade is the same but some are marble and some are slate due to the different parent rocks. The marble is formed from limestone and the slate is formed from shale.

Metamorphism happens due to the fact rocks undergo changes in temperature and strain and may be subjected to differential stress and hydrothermal fluids. Metamorphism takes place due to the fact a few minerals are solid handiest underneath sure situations of pressure and temperature.

Metamorphism is a method that modifications preexisting rocks into new forms due to will increase in temperature, strain, and chemically lively fluids. Metamorphism may have an effect on igneous, sedimentary, or other metamorphic rocks.

Metamorphism is the transformation of existing rock to rock with a special mineral composition or texture.

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The most severe hurricane is a category 1 on the saffir-simpson scale.
a. true
b. false

Answers

Answer:

false

Explanation:

Category 5 is the highest category of the Saffir–Simpson scale.

In one or two paragraphs, respond to this prompt:
How did Byzantine culture influence Europe?
Include at least two pieces of evidence from the
documents to support your claims.

Answers

Intellectually the Byzantine Empire furnish Europe with the literature and art of the Greek and Roman Empires. They existed capable to translate the works of Italian intellects who started the Renaissance. Religiously numerous Eastern European countries such as Bulgaria, Russia, Greece, and Serbia resumed the Orthodox religion rehearsed in the Byzantine Empire.

How did Byzantine culture influence Europe?

A central feature of Byzantine culture existed Orthodox Christianity. Byzantine society was extremely religious, and it held specific values in high esteem, including respect for order and traditional hierarchies. The family existed at the center of society, and marriage, chastity, and celibacy existed celebrated and respected.

Byzantium existed as a Christian state with Greek as the authorized language, the Byzantines developed their political strategies, religious practices, craft, and architecture, which, although particularly affected by the Greco-Roman cultural tradition, existed distinct and not merely a continuation of ancient Rome.

Intellectually the Byzantine Empire furnish Europe with the literature and art of the Greek and Roman Empires. They existed capable to translate the works of Italian intellects who started the Renaissance. Religiously numerous Eastern European countries such as Bulgaria, Russia, Greece, and Serbia resumed the Orthodox religion rehearsed in the Byzantine Empire.

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how to conserve forest...?​

Answers

Answer:

Some of the steps we can take to conserve our forest resources are as follows:

Regulated and Planned Cutting of Trees: ...Control over Forest Fire: ...Reforestation and Afforestation: ...Check over Forest Clearance for Agricultural and Habitation Purposes: ...Protection of Forests: ...Proper Utilisation of Forest and Forests Products

The vertical movements caused by loading or unloading the crust are called?

Answers

The vertical movements caused by loading or unloading the crust are called : isostatic adjustments.

crust describes the outermost shell of a terrestrial planet. Earth's crust is generally divided into older, thicker continental crust and younger, denser oceanic crust.

The crust is a thin but important zone where dry, hot rock from the deep Earth reacts with the water and oxygen of the surface, making new kinds of minerals and rocks.

The crust is deepest in mountainous areas. It can be up to 70km thick here. The continental and oceanic crusts are bonded to the mantle, which we spoke about earlier, and this forms a layer called the lithosphere. This layer is cool and rock solid.

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An important way that scientists have been able to study the interior of the earth is by:______.

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An important way that scientists have been able to study the interior of the earth is by: seismic waves.

Seismic waves are created by an earthquake's energy. Seismology is the scientific study of seismic waves. Seismologists utilise seismic waves to study the Earth's interior and learn more about earthquakes. The crust, mantle, and core make up the three basic layers that make up the structure of the interior of the earth.

Examining seismic waves is a good technique for scientists to get knowledge about the Earth's interior. Seismographs all across the world record seismic waves that emanate from the point where the ground ruptures in all directions. The best seismic waves for understanding the interior of the Earth are two specific varieties.

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According to the plate tectonic theory two forces were evolved in the process of mountain formation , what were the two forces?​

Answers

According to the plate tectonic theory, thrusting and folding or orogenesis, are the two forces evolved in the process of mountain formation.

What is the significance of the plate tectonic theory?

Plate tectonic theory is a theory that relates to the geographical factors that lead to occur whenever there is a mountain formation process. It is one of the most important geographical theories on the mountain formation process. It states that the forces like orogenesis and thrusting take place during this process.

Therefore, the significance of the process evolved in the mountain formation according to the plate tectonic theory have been aforementioned.

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In the region surrounding orlando, florida, effluent produced by secondary wastewater treatment is____.

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In the region surrounding Orlando, Florida, effluent produced by secondary wastewater treatment is routed through wetlands before entering the St. Johns River system.

Florida uses either centralized household or municipal wastewater treatment facilities, or on-site sewage treatment and disposal systems, such as OSTDS or septic tanks, to treat domestic wastewater.

Effluent from secondary wastewater treatment is sent via wetlands in the area surrounding Orlando, Florida before it enters the St. Johns River system.

Waste, that people put in the trash cans, typically ends up in one of three locations: a landfill, an MRF, or a waste energy plant. MRF stands for material recycling facility and is pronounced: "Murph."

Recycling curbside pickup is fairly prevalent in Florida. One may deposit all of the recyclables in one cart because Orlando uses single-stream recycling. Large cartons may become trapped and keep your recycling in your cart.

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Evidence of paleomagnetism can be found in a. basaltic rocks. b. continental sediments. c. all rocks and minerals. d. ocean floor sediments.

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Evidence of paleomagnetism can be found in basaltic rocks.

Basalt is also an important rock type in other planetary bodies in the solar system. For example, most of Venus' plains, which cover about 80% of the surface, are made of basalt. Lunar Maria is plain with basaltic lava flows. Basalt is a common rock found on the surface of Mars.

Basalt is a common extrusive rock found on Mars, Earth, and Venus. Basaltic rocks are also found on Earth's surface as they erupt in the form of lava. More than half of the ocean floor is basalt. It is one of the most abundant volcanic rocks on Earth.

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It is really improper to discuss or classify climate with any record less than ________.

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It is really improper to discuss or classify climate with any record less than several decades

An area's prevailing weather conditions over a period of years are referred to as its climate. The weather, however, would change or modify within a number of hours. It takes thousands of years for the environment to change. However, it has recently been growing at an alarming rate and is dynamic.

The alteration in the earth's temperature is one of the main problems brought on by global warming. It has been an ongoing issue for the last several decades. The most challenging aspect is that we never took the time to carefully unpack the situation at hand. Instead, it was quickly dismissed as a concern for when things go wrong. However, the current state of affairs is quite bad.

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please help me with this

Answers

Given is the Euro-Asia outline map.

Countries by no. on the map:

1.Turkey 2.Israel 3.Lebanon 4.Jordan 5.Saudi Arabia 6.Kuwait 7.UAE  8.Qatar 9.Yemen 10.Oman 11.Syria 12.Iraq 13.Not in the map 14.Not in the map 15.Turkmenistan 16.Uzbekistan 17.Kazakhstan 18.Russia 19.Kyrgyzstan 20.Tajakistan 21.Afghanistan 22.Iran 23.Bahrain 24.Pakistan 25.India 26.Maldives 27.Sri lanka 28.Nepal 29.Bhutan 30.Bangladesh 31.Burma 32.China 33.Mongolia 34.North Korea 35.South Korea 36.Japan 37.Taiwan 38.Philippines 39.Vietnam 40.Cambodia 41.Laos 42.Thailand 43.Malasiya 44.Singapore 45.Indonesia 46.Brunei 47.Timor

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For most wells, after several minutes of operation the water level in and around the well will stabilize. This water level is called the?

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For most wells, after several minutes of operation the water level in and around the well will stabilize, where the water level is called the pumping water level.

Electric substations, manufacturing facilities, chemical plants, and other liquid storage systems all make use of the water level indication circuits. This straightforward system has a wide range of potential applications, some of which include monitoring a sump pit (to regulate pump activation), rain detection, and leak detection.

The distance between the earth surface (or other measuring point) and the water in the well when it is pumping is known as the pumping water level. It is customary to also note the moment the pumping water level was monitored.

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How do pressure and temperature change from earth's surface to the top of the thermosphere?

Answers

Pressure is lower at higher altitudes; temperature is highest in the outer atmosphere.

What Is the Thermosphere?

The thermosphere, the second-highest layer of the atmosphere, stretches from the mesopause, which divides it from the mesosphere, at an altitude of roughly 260,000 feet, up to the thermopause, which is located at an altitude between 1,600,000 and 3,300,000 feet.

The thermosphere's temperature rises to maximum values that are greatly influenced by the level of solar activity. Vertical exchanges related to dynamical mixing become unimportant, whereas molecular diffusion emerges as a prominent process that results in the gravitational separation of species according to their molecular or atomic weight.

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Which of the following is a correct example of global warming creating a positive feedback Group of answer choices Ice has a higher albedo than water so replacing ice with water causes the surface to warm. Ice has a lower albedo than water so replacing ice with water causes the surface to warm. More water evaporating will create more low level clouds causing the surface to warm. Less water evaporating will create more low level clouds causing the surface to warm.

Answers

The correct example of global warming creating a positive feedback is when Ice has a higher albedo than water so replacing ice with water causes the surface to warm.

What is a global warming?

This refers to the long-term warming of the planet's overall temperature and though this, the warming trend has been going on for a long time and its pace has significantly increased in the last hundred years due to the burning of fossil fuels.

Also, as the earht population has increased, so has the volume of fossil fuels burned.

Hence, the correct example of global warming creating a positive feedback is when Ice has a higher albedo than water so replacing ice with water causes the surface to warm

Therefore, the Option A is correct.

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_________ road covered with small crushed stones on tar

Answers

Answer:

macadam (Tarcamadam).

As __________ occurs, intact rock is broken down into smaller, weaker pieces called sediment.

Answers

Answer:. Weathering

Explanation:

What is meant by stock of resources? Please answer this question from ncert social textbook.....

Answers

Answer:

is a place where resources are stored

Answer:

Stock of resources are resources that can be permanently expended, and are therefore non renewable and whose quantities is usually expressed in absolute amount rather than in rate.

The most common unit of comparison for land in urban areas is price per _______.

Answers

Answer:

Price per square kilometre (km²)

A hurricane over the gulf of mexico heading west toward southern texas will most likely have its strongest winds on its ________ side

Answers

A hurricane over the gulf of mexico heading west toward southern texas will most likely have its strongest winds on its Northern side.

A hurricane destroys many coastal regions of Northwest Florida which leads to the loss of habitat of many species that lives on the coastal region of Northwest Florida. This hurricane destroy the habitat that leads to decrease in population of organisms that lives in that coastal region so we can conclude that the population of organisms decreases due to this hurricane.

hurricanes depend on a source of warm water and low wind shear to gain strength, the landfall and progressive overland track of a storm will weaken in significantly.

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What does Khanna note about Russia regarding its connectivity to the rest of the world? In what ways might this impact Russia’s relationships with other world powers?

Answers

Explanation:

Russia and the United States maintain one of the most important, critical and strategic foreign relations in the world. Both nations have shared interests in nuclear safety and security, nonproliferation, counterterrorism, and space exploration. Embassy of Russia, Washington, D.C.

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