Geography, asked by dudeperfect9019, 1 year ago

Why is the upper mantle called as asthenosphere

Answers

Answered by Monsoon123
4
Because it separates the crust and mantle.
Answered by manishavedant26
3

Answer:

The upper mantle is called asthenosphere, “astheno” is a Greek word meaning 'weak'. It is called weak layer because it is in liquid state where rock material deforms more readily, and magma formation takes place.

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