Multiple Choice
Explosive volcanic eruptions occur ________.
A) when crystallization forces exceed the strength of the volcano
B) in response to deflation of the volcano
C) when violently escaping gases evolve suddenly to drop the magma density and propel molten magma from the chamber
D) whenever basaltic magma extrudes on the seafloor
Correct Answer:

Verified
Correct Answer:
Verified
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