Why does magma rise toward Earth's surface?
A) because it is a liquid
B) because it is immiscible and cannot combine with the material around it
C) because it is hot
D) because it is less dense than the material around it

Question

Quizplus · Accepted Answer

Magma is less dense than the solid rock around it, so it rises toward the Earth's surface. As it rises, the pressure decreases, allowing it to expand and eventually reach the surface as a volcanic eruption.

Why Does Magma Rise Toward Earth's Surface