Multiple Choice
The force that causes pyroclastic volcanoes to explode violently is:
A) density differences within the magma that force part of the magma upward.
B) pressure from volcanic gases.
C) chemically volatile substances that explode within the magma.
D) hot convection currents in the asthenosphere that push magma upward.
Correct Answer:
Verified
Correct Answer:
Verified
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