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← GeographyWhich outcome occurs when a perched water table destabilizes above fractured Karst?
A)Rapid sinkhole formation occurs catastrophically✓
B)Gradual sandstone lithification accelerates downwards
C)Regional seismic activity noticeably climbs higher
D)Vegetation density increases water infiltration resistance
💡 Explanation
Rapid sinkhole formation can occur because increasing water pressure enhances subsurface Dissolution. This weakens overlying soils; therefore a collapse occurs rather than gradual settling, dissimilar to sandstone weathering, seismicity, or vegetative stabilization.
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