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← GeographyWhich consequence results when intense rainfall saturates subsurface limestone formations?
A)Increased sinkhole formation frequency✓
B)Decreased aquifer recharge rates
C)Accelerated topsoil horizon development
D)Elevated surface water salinity levels
💡 Explanation
Increased sinkhole formation is caused by the mechanism of carbonate dissolution. High saturation increases the rate of dissolution, because increased water flow erodes the limestone faster; therefore, sinkholes develop more frequently, rather than decreased aquifer recharge which occurs in less permeable strata.
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