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← GeographyWhich outcome primarily follows rising magma’s volatile exsolution?
A)Explosive volcanic eruption✓
B)Formation of strike-slip faults
C)Increased subduction zone temperature
D)Reduced mantle convection rate
💡 Explanation
An explosive eruption results because volatile exsolution rapidly expands dissolved gasses, creating extreme pressure. Therefore, explosive eruptions occur, rather than effusive flows, because bubble nucleation facilitates rapid magma degassing.
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