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← GeographyWhich outcome develops when increased CO2 promotes stalactite growth?
A)Enhanced chemical weathering of karst bedrock✓
B)Decreased rainwater acidity in karst regions
C)Reduced cave ecosystem biodiversity index
D)Stabilized groundwater table in aquifer
💡 Explanation
Enhanced CO2 increases carbonic acid formation, accelerating bedrock weathering via dissolution because elevated carbonic acid levels increase the chemical weathering rate, therefore expanding karst features like fractures, rather than promoting rainfall neutralization.
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