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← GeographyWhich hazard frequency increase results where permafrost restricts alpine solifluction?
A)Increased debris flow events✓
B)Reduced avalanche occurrence
C)Decreased stream sediment load
D)Increased glacial abrasion rate
💡 Explanation
Increased pore water pressure weakens soil above frozen ground: the mechanism is reduced shear strength. Increased debris flows are the outcome because ice-rich soil liquefies more easily, therefore triggering slope failure rather than gradual soil creep.
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