Q47
A volcanic hazard that consists of a fast-moving current of hot gas and volcanic matter is called:
A.
Lahar
B.
Pyroclastic flow
AnswerC.
Ash plume
D.
Tephra
Answer: Option B
Solution
Answer: Option B
Solution:
Pyroclastic flow is a highly dangerous volcanic hazard comprising hot gases, ash, and rock fragments moving rapidly down volcano slopes.It can destroy everything in its path due to high temperature and speed.