why do continental and oceanic crust differ in age

Answers

Answer 1

Answer:

Continental Crust is pretty much permanently above the surface, while oceanic crust is subducted back into the earth more often, so it is recycled more, making it younger.

Answer 2
Because of Tectonic proceses. Divergent plate boundaries continually renew oceanic plates while subduction zones of convergent boundaries continually recycle them. As a result, the oldest oceanic rocks are less than 200 million years old.

Related Questions

Which historical document divided the province of Quebec into upper and lower Canada?

Answers

The answer is the Canada Act also known as the Constitutional Act.

This graph would MOST LIKELY be used by one who A) opposes the end to minimum wage laws. B) opposes stopping illegal immigration. supports the North American Free Trade Agreement. D) support the passage of import duties on manufactured goods.​

Answers

D support the passage of import duties on manufactured goods

all work in the textbox belo
The diagram below shows ABD, with ABC,
BE I AD, and ZEBD = ZCBD.
A
If mZABE = 52, what is mZD?

Answers

Dam Daniel back at it again with da white vans

Answer:

oyiuui

Explanation:

euytyEUYOTo

PLS HELP ASAP!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

Which country/countries are labeled incorrectly?

Iran

Israel

Algeria

Egypt

Kuwait

Turkey

Iraq

Yemen

Answers

Answer:

Yemen, Iraq, and Egypt.

In what way did the United States attempt to protect itself from an attack by the Soviet Union during the Cold War?

through increased education spending
through increased consumer spending
through intelligence about the Soviet space program
through intelligence about the Soviet nuclear program

Answers

Answer:

Correct answer is through intelligence about the Soviet nuclear program .

Explanation:

First two options are not correct of course because this led more to the strengthening of economy of United States, and was not pointed towards the Soviet Union.

Third option is not correct as this was related more to their space race that started during the 1950s.

Last option is correct as both countries were espionage each other which in some cases almost led to the war between two countries.

Can someone help me with these questions

Answers

Answer:

7) The Cretaceous period and it lasted for 80 million years

8) The Cenozoic era for 65 million years

9) 4.5 billion years ago

10) It began 252.2 million years ago

11) It ended 66 million years ago

12) About 190 million years

Explanation:

Hope this helps :)

PLS HELP ASAP!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
Which countries are labeled incorrectly on the map? Choose all that apply.

Norway

Portugal

Germany

Italy

Spain

Austria

France

Finland

Answers

Answer:

France

Germany

Norway

Explanation:

I play alot of map games

Answer:

France

Germany

Norway

Portugal

Explanation:

Enjoy!

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|> ❤


20 charachters​

Answers

Answer:

what's this. can u explain

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you too

The United States received a significant influx of immigrants from __________ between 2004 and 2010.
A.
Canada
B.
Central America and South America
C.
Western Europe
D.
Australia

Answers

D) Australia


Hope this help

Answer:

its d (destination for periodic migration)`

Explanation:

6th grade science please help!​

Answers

Biosphere, Geosphere, Cryosphere is spelled incorrectly so you might not want to check that box.

Buddhism and ___ both began in India
A. Hinduism
B. Shintoism
C. Islam
D. Sikhism

Answers

The answer is that buddhism and Hinduism but began in india :))

What happens to the velocity of a river when the volume (amount of water) increases?

Answers

Answer:

The volume of water that flows through a river within a given amount of time -- known as the discharge -- also affects its velocity. As the volume of water in a river increases, through smaller streams flowing into it, for example, the velocity of the river increases.

Hope this helps you :D

Jerusalem became the center of the Hebrew Empire under King David and was known by the Jews as the “City of __________.” A. God B. Kings C. David D. Angels

Answers

D. Angels




Is the answer

Answer:

it is David

Explanation:

I read the Bible so this one is pretty easy for me to answer

Define physical properties and give 3 examples.

Answers

Answer:

Properties that do change tha chemical nature of matter. Examples of physical properties are: color, smell, freezing point, boiling point, melting point, infra-red spectrum, attraction (paramagnetic) or repulsion (diamagnetic) to magnets, opacity, viscosity and density. There are many more examples.

hope this helps you :)

The moon revolves around the earth
A.
True

B.
False​

Answers

Answer:

True.

Explanation:

Moon revolves around the earth

Answer:

true

Explanation:

there's a reason why we call the moon the Earth's natural satellite

Which of the following statements best characterizes how developed and developing countries impact the environment?

A. Neither developed nor developing countries have had a significant impact on the environment in the past century.

B. Developed countries have tended to improve the environment, while developing countries have tended to damage it.

C. Developed countries have damaged the environment, while developing countries have had little impact.

D. Both developed and developing countries have had significant negative impacts on the environment.

geography Please select the best answer from the choices provided. ​

Answers

Answer:

Both developed and developing countries have had significant negative impacts on the environment.

Explanation:

The environment has been very badly affected by human activity. The negative effect has been present for a very long time, progressively becoming more and more serious, but since the start of the Industrial Revolution it has exponentially increased and the effects have been horrific. While there are differences between the impact of developed and developing countries, the fact is that both have had significant negative impacts.

The now developed countries were actually the first ones to start with massive impact on the environment, which was a result of the usage of fossil fuels, rapid economic growth, and constantly growing demand for natural resources. The developing countries have started off later with their massive impact, but it has had the same results. While the developed countries are turning a page and try to be as environmentally friendly as possible, that is not the case with the developing countries that try to become developed. To put it simply, The forests that were destroyed in the UK several hundred years ago are not getting back, and the forests that were recently destroyed and still are getting destroyed in Indonesia will not just come back, at least not with the current trends.

What percentage of Russians live within the European borders? A. 40% B. 60% C. 80% D. 95%

Answers

Answer:

40% live within the European borders

Answer:

80%

Explanation:

80% Russians live within European borders

According to Uniformitarian theory:
A. The continents were once a large land mass.
B. Slow processes are responsible for shaping the earth.
C. Earthquakes occur along fault lines and near trenches
D. The earth and other planets revolve around the sun.​

Answers

Answer:

A. The continents were once a large land mass

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