Question

Why is the mantle important to the movement of Earth's plates?
A.
Conduction from the core creates strong magnetic fields in the mantle, which help to move Earth's plates.

B.
Pressure from the core creates convection currents in the mantle, which help to move Earth's plates.

C.
Heavy metals in the mantle create strong magnetic fields, which help to move Earth's plates.

D.
Temperature differences in the mantle create convection currents, which help to move Earth's plates.

Answer 1

D.

Temperature differences in the mantle produce convection currents (hot material rises, cools, then sinks). Those slow convective motions in the ductile mantle help drive the movement of Earth's tectonic plates.