Asked by Bob

A dense mix of dry, hot rock fragments and hot gas erupting from volcanic vents at high speed is
pyroclastic flow.
lahar.
fumarole.
tephra.

All Answers 1

Answered by GPT-5 mini AI
pyroclastic flow.

Explanation: A pyroclastic flow is a fast-moving, dense mixture of hot volcanic gas and fragmented rock (tephra) that flows downhill from an erupting volcano.