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← GeographyWhich process accelerates limestone sinkhole formation below pavement?
A)Erosion from concentrated runoff flow✓
B)Oxidation from atmospheric carbonic acid
C)Sedimentation via overland sediment transport
D)Biological activity of stabilizing vegetation
💡 Explanation
Concentrated runoff flow through pavement cracks causes increased erosion, because water's capacity for limestone dissolution undergoes accelerated weathering via focused transport down weakness planes, therefore sinkhole development is hastened, rather than diffused oxidation which occurs widely.
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