The process whereby one portion of the lithosphere beneath another and dives downward into the mantel is called
A)rifting.
B)subduction.
C)compression.
D)isostatic uplift.
E)orogeny.

Question

Quizplus · Accepted Answer

Subduction is the process by which one portion of the lithosphere (usually an oceanic plate) slides beneath another (usually a continental plate) and sinks back into the mantle. This occurs at convergent plate boundaries, where two plates are colliding with one another.

The Process Whereby One Portion of the Lithosphere Beneath Another