A _________, a mixture of gas and volcanic debris, may blast out laterally under a viscous plug capping a volcano.
A) pyroclastic flow
B) mud flow
C) debris flow
D) lava flow
E) lahar

Question

Quizplus · Accepted Answer

A pyroclastic flow is a mixture of gas and volcanic debris that can blast out laterally from a volcano, often under a thick, viscous plug. This mixture can move down slopes and valleys at extremely high speeds, making it one of the most dangerous volcanic hazards.

A _________, a Mixture of Gas and Volcanic Debris, May