Multiple Choice
A caldera is a:
A) gently sloping mountain formed by low-viscosity magma pouring from a central vent.
B) steep conical mountain formed by repeated lava flows and pyroclastic eruptions.
C) circular depression formed as the roof of a magma chamber collapses after an eruption.
D) broad, flat lava plateau formed by fluid magma.
Correct Answer:

Verified
Correct Answer:
Verified
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