Question

A _____ is a mountain created from eruptions of lava, ash, rocks, and hot gases.
A. peak
B. caldera
C. volcano

Answer 1

it is a volcano because a caldera is a depression in the earth (so practically the opposite) and a peak is merely the top of the volcano.

Answer 2

Volcano is a mountain created from eruptions of lava, ash, rocks, and hot gasses.