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← GeographyWhich risk increases when continuous drip-feeding halts in caves?
A)Structural collapse of hanging formations✓
B)Accelerated speleogenesis widens narrow passages
C)Increased biosphere alters aquatic habitats
D)Microclimate cooling produces alpine permafrost
💡 Explanation
Structural collapse increases because recrystallization ceases, affecting cave systems; stalactite formation depends upon continuous calcium carbonate deposition. Gravity overcomes diminished cohesive strength resulting in deformation rather than stable rock formations, therefore collapse occurs.
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