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If a volcano’s magma is high in silica, the volcano will probably a. erupt quietly. b. remain dormant. c. erupt explosively. d. produce dark-colored lava.

Cynthia Baker

in Geography

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Jeremy Wood on August 13, 2018

The answer is C. EXPLOSIVE ERUPTION. The amount of silica in a volcano, the magma determines how viscous (sticky). Less viscous than the magma runs freely down a slope, while a magma viscous it will be sticky and therefore explosive.


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