Question

A ____ forms where two oceanic plates collide. a. hot spot c. transform boundary b. subduction zone d. rift valley

Answer 1

The name of two oceanic plates colliding is subduction zone so the answer is B. It's more than just colliding however, since it is more like a crash that causes serious tectonic disturbance. For a subduction zone to have a collision it usually takes millions of years since the plates move extremely slowly.

Answer 2

Your answer is
B subduction zone

This is why you get earthquakes.