What is the primary force that drives plate motion?
A) slab pull
B) gravity
C) superplume push
D) mid-ocean ridge igneous push

Question

Quizplus · Accepted Answer

The primary force that drives plate motion is slab pull, which is the pulling force exerted on a plate by a subducting slab of oceanic lithosphere. The weight of the subducting slab creates a negative buoyancy that pulls the rest of the plate behind it.

What Is the Primary Force That Drives Plate Motion