[Solved] Volcanism is ____

Volcanism is ____

A. Eruption of Rock

B. Eruption of Hot water

C. Eruption of Magma

D. All of these

Answer: Eruption of Magma
Explanation: Volcanism is the eruption of magma onto the surface of the Earth. It is a phenomenon associated with the surface discharge of molten rock, pyroclastic fragments, or hot water and steam, including volcanoes, geysers, and fumaroles.