What Is the Relationship Between Earth's Mantle and Crust

question 51

Multiple Choice

What is the relationship between Earth's mantle and crust?

• A) The crust sits motionless on top of the mantle and does not interact with it.
• B) Convection in the mantle moves the continents around, but there is no transfer of material from the mantle to the crust or vice versa.
• C) New layers of crust are formed when magma from the mantle flows out over old crust, and this old crust remains as the lowest level of the crust.
• D) New crust is formed by magma rising from the mantle in some places, and old crust is pushed back down into the mantle in other places.

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