The Mid-Atlantic Ridge in Earth's Crust Is a Region Where

Multiple Choice

The Mid-Atlantic Ridge in Earth's crust is a region where

A) two tectonic plates are slowly spreading apart.
B) a single hot plume is pushing molten magma or lava through a hole in the crust.
C) two tectonic plates are pushing against each other,forcing the ridge upward.
D) one tectonic plate is moving below another (subducting) .