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← GeographyWhich risk dramatically increases when diverting surface runoff toward karst regions?
A)Accelerated sinkhole formation processes✓
B)Increased salinity in surface streams
C)Decreased erosion of riverbeds
D)Higher sediment deposit rates
💡 Explanation
Accelerated sinkhole formation occurs because the increased water flow directly intensifies the dissolution process of limestone via increased infiltration. This chemical weathering concentrates in vulnerable areas, therefore triggering sinkhole collapse rather than gentler erosion patterns occurring at ground level.
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