Question

write a note of volcanic material​

Answer 1

Answer:

Most volcanoes have a volcanic crater at the top. When a volcano is active, materials come out of it. The materials include lava, steam, gaseous sulfur compounds, ash and broken rock pieces. When there is enough pressure, the volcano erupts.

Answer 2

Explanation:

A volcano is a mountain that has lava (hot, liquid rock) coming out from a magma chamber under the ground, or did have in the past. Volcanoes[1] are formed by the movement of tectonic plates.