Gases cannot escape from _____ magma easily; therefore, they produce _____ eruptions.
A) high-silica; effusive
B) high-silica; explosive
C) low-silica; explosive
D) none of the above
Correct Answer:
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Q3: The chain of explosive volcanoes that lie
Q4: Which factor determines whether a volcano will
Q5: Which of the following has the highest
Q6: The majority of continental and island-arc volcanoes
Q7: A type of volcano that erupts fluid
Q9: Lahars may be caused by:
A) rapid snowmelt
B)
Q10: Gases escape easily from low viscosity magma,
Q11: As fluid basaltic lava pours out of
Q12: Calderas are elongated, circular depressions on Earth's
Q13: Another name for a pyroclastic flow is:
A)
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