7. Which of the following characteristics of magma mainly affect the explosiveness of a
volcanic eruption?
A. Silica Content
B. Color
C. Temperature D. none of the above
8.which of the following pair is mismatched
A. Mt. Pinatubo-Phreatomagmatic
C. Mt. Paricutin-Vulcanian
B. Mt. Mayon-Pelean
D. Mt. Taal - Hydrothermal
9. Type of Volcanic eruption that is characterized by tall eruption columns that reach
up to 20 km high with pyroclastic flow and ashfall.
A. Pelean
B. Vulcanian C. Phreatomagmatic D. Strombolian
10. Mt. Mayon is an example of which type of volcanic eruption style?
A. Phreatomagmatic
B. Pilian C. Pelean
D. Strombolian
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