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← GeographyWhich outcome is caused by increased volatile exsolution in magmatic domes?
A)Increased phreatomagmatic eruption frequency
B)Episodic dome collapse events✓
C)Decreased viscosity of dome magma
D)Elevated geothermal aquifer recharge
💡 Explanation
Episodic dome collapse events are caused by increasing volatile exsolution, because the pressure builds within the dome until the shear strength is exceeded, triggering collapse. Therefore, dome collapse occurs rather than decreased viscosity, which is altered due to temperature.
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