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Geography

Which outcome accelerates stalactite formation in limestone caverns?

A)Increased carbon dioxide concentration
B)Decreased water flow velocity
C)Lower cavern air pressure
D)Reduced mineral saturation levels

💡 Explanation

Increased CO2 promotes carbonic acid formation, driving limestone dissolution, because increased carbonic acid enhances the chemical weathering action within the cave's dripping water via chemical weathering. Therefore, faster stalactite growth occurs rather than slower growth from decreased weathering.

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