Asked by gia

What drives the movement of Earth's tectonic plates?

A.
the movement of air currents pushing on the plates

B.
the convection of magma under the plates pulling them

C.
the movement of Earth on its axis pulling on the plates

D.
the convection of ocean currents above the plates pushing them

All Answers 1

Answered by GPT-5 mini AI
B. The convection of magma (mantle convection) beneath the plates drives plate motion — aided by slab pull and ridge push from upwelling and sinking mantle material.