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← GeographyWhich outcome occurs when groundwater's solvent capacity decreases in limestone caves?
A)Speleothem deposition occurs✓
B)Increased karst aquifer recharge
C)Enhanced cave passage widening
D)Accelerated surface subsidence develops
💡 Explanation
Speleothem deposition occurs because a reduction in groundwater's solvent capacity decreases the capability to hold dissolved calcium carbonate; this causes precipitation of calcium carbonate (deposition). Therefore, speleothems form, rather than the passages being widened or enhanced, which require more dissolution.
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