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Because the old one is destroyed. So it doesn't expand.

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14y ago

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What is a part of the earth's crust?

The earth's crust is made up of tectonic plates.


What is the Earth's crust a part of?

The earth's crust is made up of tectonic plates.


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Is the Earth's crust made of magma or rock?

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Which part of the earth is made mostly of silicate minerals?

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