Question

Mantle and Crust are made of rocks so why the crust is floating on the mantle?​

Answer 1

Explanation:

The tectonic plates do not slowly drift over time because they are floating on a layer of liquid rock. They drift because they are sitting on a layer of solid rock (the upper mantle or "asthenosphere") that is weak and ductile enough that it can flow very slowly under heat convection, somewhat like a liquid

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Answer 2

Answer:

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Explanation:

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