Why is the upper mantle called the
asthenosphere?
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2
Answer:
because The upper mantle is not uniform throughout.Below the lithosphere is a layer of upper mantle called the asthenosphere.This is made up rock that is fluid and can move.It is this fluidity that powers the movement of the tectonic plates of the Earth's crust.
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Answered by
1
Answer:
Bcoz the upper mantle is not uniform throughout. This is made up of rock that is fluid and can move.
Explanation:
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