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Exam number: 700937RR

Question 2 of 20:

Select the best answer for the question.

In which layer does mantle convection occur?

A. Crust
B. Inner core
C. Lithosphere
D. Asthenosphere

Sagot :

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Final answer:

Mantle convection occurs in the Asthenosphere, the least rigid portion of the mantle.


Explanation:

Mantle convection occurs in the Asthenosphere, which is the least rigid portion of the mantle. This layer is soft and easily deformed, allowing for slow convection due to pockets of increased heat. The lithosphere, composed of the crust and uppermost mantle, moves as a rigid unit above the asthenosphere.


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