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← GeographyWhich risk increases when pressure builds inside volcanic domes?
A)Increased likelihood of explosive eruptions✓
B)Decreased rate of magma upwelling
C)Gradual dome surface solidification
D)Enhanced geothermal power production
💡 Explanation
An explosive eruption risk increases because overpressure enables volatile saturation, thus exceeding the tensile strength of the dome’s rock increasing the likelihood of cataclysmic explosion, rather than gradual degassing or power generation which reduces pressure.
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