Match the mountain range with its formation.

A. Himalayas

Near a subduction zone

B. Grand Tetons

Two ocean plates colliding

C. Aleutian

Two continents colliding

D. Andes

Plates spreading

The mountains are formed as a result of the movement of the Earth's tectonic plates.

A. Himalayas - two continents coliding

The Himalayas lifted up as a result of the collision between the Eurasian and Indian continental plates. The Himalayas are still rising by more than 1 cm per year as India continues to move northwards into Asia.

B. Grad Tetons - plates spreading

Grand Tetons is a fault block mountain range. It consist of some of the oldest rocks. They are remnants of accumulated sedimentary rocks that once filled a basin between preexisting mountains and which are now partially worn away.

C. Aleutian - two ocean plates colliding

The Aleutian range in in southwest Alaska is part of the Aleutian volcanic arc. And volcanic arcs are formed from two ocean plates colliding.

C. Andes - near a subduction zone

The Andes are a result of the subduction of oceanic crust beneath the South American plate.