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A Caldera Is A

Question 47

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.

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