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← GeographyWhich outcome occurs when overlying clay soils collapse into karst sinkholes?
A)Surface fluvial drainage pattern change✓
B)Increased evapotranspiration rates begin
C)Enhanced sediment deposition in deltas
D)Decreased regional seismic activity results
💡 Explanation
A surface fluvial drainage pattern changes with sinkhole collapses, because water flows directly into the sinkhole via the mechanism of concentrated infiltration, rather than across the clay surface. Therefore surface watercourses divert rather than increased evapotranspiration in this dry situation.
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