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← GeographyWhich risk increases when concentrated rainwater infiltrates karst landscapes used for intensive agriculture?
A)Accelerated sinkhole formation rates✓
B)Decreased regional subsidence events
C)Increased geothermal energy production
D)Reduced soil aggregate weathering
💡 Explanation
Accelerated sinkhole formation occurs because agricultural runoff containing fertilizers enhances calcium carbonate dissolution; Acidification increases weathering in fractured rock, weakening it leading to the sinkhole development in limestone, therefore accelerating sinkhole formation, rather than reducing it without the runoff.
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