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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Definitions:

Lymphatic Trunks

Large lymphatic vessels that drain lymph from different parts of the body into the bloodstream.

Lymphatic Collecting Vessels

Specialized vessels within the lymphatic system that transport lymph fluid back to the circulatory system.

Thymus

A lymphoid organ situated in the neck region that plays a role in the maturation of T cells, essential for the immune system.

Plasma Proteins

Proteins found in blood plasma, playing roles in blood clotting, defense against disease, and transportation of substances.