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← GeographyWhich outcome occurs from continuous magma supply beneath a lava dome?
A)Increased dome instability, gravitational collapse✓
B)Rapid increase in atmospheric ozone
C)Formation of shield volcano edifice
D)Decreased rates of hydrothermal venting
💡 Explanation
Dome growth increases instability because inflation leads to gravitational stresses which finally exceeds rock strength, causing collapse; therefore, sector collapse deposits increase rather than ozone or shield volcano formation under these conditions.
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