A volcano emits ash,which falls from the sky,settles in layers,and is eventually cemented.The resulting rock is termed ________.
A)pumice
B)granite
C)tuff
D)ignimbrite

Question

Quizplus · Accepted Answer

The process described is that of volcanic ash settling and becoming cemented into rock, which is called tuff. Pumice is also a volcanic rock, but it forms from frothy lava rather than settled ash. Granite is an igneous rock formed from cooled magma, and ignimbrite is a specific type of volcanic rock formed from a mixture of ash and lava flows.

A Volcano Emits Ash,which Falls from the Sky,settles in Layers,and