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← GeographyWhich ground deformation risk increases when lowered water tables accelerate limestone dissolution?
A)Catastrophic sinkhole formation becomes more likely✓
B)Enhanced aquifer recharge through cave networks
C)Diminished soil fertility above karst bedrock
D)Increased seismic activity along fracture zones
💡 Explanation
More aggressive limestone dissolution causes more subsurface voids, therefore sinkhole formation becomes more likely suddenly, rather than a slower subsidence, because the reduced pore water pressure weakens the existing structural integrity.
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