Question

Why are plates dynamic?
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Answer 1

Answer:

Tectonic plates are able to move because the Earth's lithosphere has greater mechanical strength than the underlying asthenosphere. Lateral density variations in the mantle result in convection; that is, the slow creeping motion of Earth's solid mantle.

Answer 2

Explanation:

The earth continents are constantly moving due to motions of the tectonic plates and driving forces related to mantle dynamics. However a dynamic compression plate is a metallic plate.

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