The layer of the Earth called the mantle is often described as convecting. In this context, convection is
A.
a process that keeps the mantle stationary.
B.
a continuous cycle in the Earth's interior.
C. a step in the formation of sedimentary rock.
D.
a process that occurs on the Earth's surface.

Convection occurs to divert heat generated by the core and spread through the mantle. at the bottom of the mantle, heat is gained, causing the mantle to be less dense and rise up. at the top, heat is subsequently lost, resulting in am increase of mass and a drop down for the mantle. this process repeats indefinitely

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Larus Larus · Answer 2 · 2022-02-11T15:29:32+01:00

Convection is a continuous cycle in the interior of the Earth.

Convection of Earth's mantle

The prime mechanism of heat transfer in the mantle of the Earth is convection.

Convection of mantle illustrates the movement of the mantle as it mediates heat from the white-hot core to the brittle lithosphere.

It is a thermally driven procedure in which heating at depth makes the material to expand and become less dense, making it to elevate while being substituted by the complimentary cool substance, which sinks.

This phenomenon of heat gain and heat loss takes place continuously in the mantle of the Earth.

Thus, the correct answer is option B.

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The layer of the Earth called the mantle is often described as convecting. In this context, convection is A. a process that keeps the mantle stationary. B. a continuous cycle in the Earth's interior. C. a step in the formation of sedimentary rock. D. a process that occurs on the Earth's surface.

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Convection of Earth's mantle

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The layer of the Earth called the mantle is often described as convecting. In this context, convection is
A.
a process that keeps the mantle stationary.
B.
a continuous cycle in the Earth's interior.
C. a step in the formation of sedimentary rock.
D.
a process that occurs on the Earth's surface.