During the process of mountain building,

A.
the Earth's interior often gains material from the atmosphere.
B.
material from the Earth's interior is often returned to the surface.
C.
material from the Earth's surface is often broken down by crystalization.
D.
weathering and erosion help to generate igneous rock formations

1 answer

The correct answer is:

B. material from the Earth's interior is often returned to the surface.

During mountain building, tectonic processes often involve the uplift of materials from the Earth's interior to the surface, contributing to the formation of mountain ranges.