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).

Question

Quizplus · Accepted Answer

The Mid-Atlantic Ridge is a divergent plate boundary where the North American and Eurasian tectonic plates are moving away from each other, causing magma to rise up and solidify, creating new crust. This process is known as seafloor spreading and is responsible for the formation of the Atlantic Ocean.

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