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Crust is made from recycling old crust so that there is still the same amount. The earth doesn't expand because there is a cycle that keeps the proportions the same throughout the entire cycle.

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Pamela McGlynn

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4y ago

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Continue Learning about Earth Science

How many times is the suns radius bigger than earths surface?

109 Actually, no. 109 would probably be for Jupiter. For Earth, hundreds of Earth's surface could fit in the sun's radius.


What has the universe been doing since the Big Bang?

Since the Big Bang, the universe has been expanding, cooling, and evolving. Galaxies have formed, stars have been born and died, and planets have been created. The ongoing process of expansion and evolution continues to shape the universe as we know it today.


Which theory about the universes size best matches the experimental evidence found by astronomers and physicists?

The theory of an expanding universe, known as the Big Bang theory, best matches the experimental evidence found by astronomers and physicists. Evidence such as the cosmic microwave background radiation and the redshift of distant galaxies support the idea that the universe began as a singularity and has been expanding ever since.


What is the hypothesis that the continents move slowly over earths surface and once were joined into one supercontinent?

The hypothesis is called continental drift. It suggests that the Earth's continents were once part of a single supercontinent called Pangaea and have since moved slowly over time to their current positions. This movement is driven by the process of plate tectonics.


What represents the flattest part of Earth's surface?

The ocean surface represents the flattest part of Earth's surface since water seeks its own level due to gravity, creating a smooth and relatively uniform surface.

Related Questions

How has earths surface changed since the beginning of earths time?

The continents have moved, Volcanoes and mountains have made hige changes in the earths suface too.


How long have water ice and wind effected the erosion of earths surface?

Since the begining of time.


When is Star Wars going out of stock?

Never. Since the Star Wars timeline is constantly expanding, so far there isn't an end to the saga in sight


Does the Earths tip always point in the same direction?

No it does not. Since the Earth is constantly spinning, and also rotating around the sun, the earth will point in all 360 degrees.


How has the earths surface changed since the beginning of earths time?

The Earth's surface has changed significantly over time due to processes such as plate tectonics, erosion, and volcanic activity. Continents have shifted positions, mountains have formed and eroded, and oceans have expanded and contracted. These changes have been ongoing for billions of years and continue to shape the Earth's surface today.


Since new crust is constantly being added why does the earth not keep expanding?

you all r big fat losers........... and i myself am th biggest loser for making fun of you guys, im sorry im a retard


What is happening to the universe since it was formed?

The universe is expanding.


Did god cause the tsunami in japan?

The earthquake caused the tsunami in Japan. And plate tectonics - which have been going on under the earths surface since the earth formed - caused the earthquake.


Why is the moon yellow in color or when is it in yellow color?

Because the sun reflects off of the surface of the moon which makes the yellow color. Since the moon is constantly revolving and rotating there are phases.


Is the earths surface made up of entirely iron and nickel?

You are thinking of the Earth's core, which is primarily iron, with nickel and a variety of other elements in smaller percentages; the Earth's surface has a much more varied chemical composition, which you should be able to observe, since we all live on the surface.


When did algae live on earth?

since the earths been here


The implication of hubbles law is that the universe is?

expanding, with galaxies moving away from each other. This expansion suggests that the universe was once much smaller and denser, and has been expanding ever since the Big Bang.