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← GeographyWhich outcome usually occurs because internal pressure increases inside a growing volcanic dome?
A)Violent explosive eruption initiation✓
B)Steady lava flow reduction
C)Stratified layer formation increase
D)Progressive dome density stabilization
💡 Explanation
Increased internal pressure within a volcanic dome overcomes material strength through the mechanism of over-pressurization, leading to explosive eruption rather than stable conditions, because volatile expansion causes rapid disintegration; therefore, explosive eruptions occur, rather than steady lava flows.
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