Multiple Choice
A lahar is produced when
A) ash is blown out of a vent and onto the side of the volcano
B) ash and other pyroclastic ejecta become saturated with water
C) a lateral blast spreads ash across a large area
D) a lava flow breaks apart on the steep portion of a composite cone
Correct Answer:
Verified
Correct Answer:
Verified
Q32: Composite volcanoes are typically associated with subduction
Q33: Composite cones typically are associated with what
Q34: The eruption of Mt. _ in 1991
Q35: _ are dangerous, hot masses of ash
Q36: Ash flows are rarely dangerous.
Q37: Caldera eruptions are very common features of
Q38: Why are most active volcanoes associated with
Q39: Volcanic domes typically consist of the rock
Q40: Why do composite volcanoes consist of alternating
Q41: The Hawaiian islands were formed volcanism associated