what do we call small chunks of rock that are cemented together and projected from a volcano? lava volcanic…

what do we call small chunks of rock that are cemented together and projected from a volcano? lava volcanic ash caldera volcanic cinders

what do we call small chunks of rock that are cemented together and projected from a volcano? lava volcanic ash caldera volcanic cinders

Answer

Brief Explanations:

Lava is molten rock flowing out of a volcano. Volcanic ash is fine - grained powder. A caldera is a large volcanic crater. Volcanic cinders are small rock chunks cemented together and ejected from a volcano.

Answer:

D. volcanic cinders