Question

(i) Why do the plates move?​

Answer 1

QUESTION -

Why do the plates move?

ANSWER -

Tectonic plates are able to move because the Earth 's lithosphere has a higher strength and lower density than the underlying asthenosphere. Lateral density variations in the mantle result in convection.

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Answer 2

Answer:

Plates at our planet's surface move because of the intense heat in the earth's core that causes the molten rock in the mantle layer to move. It moves in a pattern called a convection cell that forms when warm material rises, cools, and eventually sinks down. As the cooled material sinks down, it is warmed and rises again.

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Explanation: