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← GeographyWhich outcome results when rising sea level increases the hydraulic gradient in coastal karst caves?
A)Accelerated cave system dissolution✓
B)Reduced speleothem formation rate
C)Increased surface sinkhole density
D)Stabilized cave air temperature
💡 Explanation
Accelerated cave system dissolution can occur because higher hydraulic gradient increases the rate of water flow through the cave system. This enhances carbonic acid weathering, therefore the limestone dissolves more quickly, rather than slower or affecting speleothems.
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