What Is the Direct Control on Whether a Volcano Will

question 50

Multiple Choice

What is the direct control on whether a volcano will erupt violently or quietly send out a few flows?

• A) the duration of the quiet interval since its last violent eruption
• B) what the total volume of the volcano has at the time of eruption
• C) the composition of the magma, its temperature, and dissolved gas content
• D) the population density

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