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Geography

Which risk significantly escalates as degassing pathways become blocked inside a growing lava dome?

A)Potential for explosive eruption increases
B)Dome collapses become less frequent
C)Lava flow rate will steadily decline
D)Ground subsidence near shield lessens

💡 Explanation

When degassing pathways are blocked, gas pressure accumulates because the volatile gases cannot escape freely through the vent; therefore, the risk of an explosive eruption escalates, rather than experiencing a more gradual lava flow.

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