Mountains are primarily formed by which geological process?

A.Erosion caused by wind and water
B.Accumulation of lava from volcanic eruptions
C.The collision and uplift of tectonic plates
D.Deposition of sand and silt by rivers

1 answer

Mountains are primarily formed by C. The collision and uplift of tectonic plates. This process is known as orogeny, which involves the folding, faulting, and uplift of the Earth's crust due to the movement of tectonic plates.