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← GeographyWhich erosional pattern emerges when acidic groundwater percolation weakens cave structures?
A)Roof collapse drives speleothem formation✓
B)Mechanical abrasion forms sorted sediments
C)Hydraulic action creates oxbow lakes
D)Differential weathering sculpts desert pavement
💡 Explanation
Speleothem formation increases because the breakdown of the cave roof via dissolution introduces minerals, causing precipitation of calcite. Therefore, cave ceiling collapse provides the raw material, rather than hydraulic action or desert pavement seen in surface processes.
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