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← GeographyWhich risk increases when cave stalactite drip-rates exceed evaporation?
A)Increased calcite supersaturation locally✓
B)Accelerated local manganese oxide formation
C)Groundwater calcium carbonate depletion occurs
D)Elevated atmospheric CO2 concentration caveside
💡 Explanation
Undersaturated drip water reduces established mineral deposition, because dissolution outweighs precipitation during Calcite Equilibrium. This reduces stalactite growth, therefore calcite remains soluble, rather than depositing as calcium carbonate under super-saturation conditions caused by slow, evaporative drip.
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