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Geography

Which outcome arises when infiltrating water encounters fractured limestone cave system?

A)Chemical weathering enhances cave enlargement
B)Mechanical sedimentation fills cave passages
C)Biological activity generates insoluble deposits
D)Thermal expansion closes fracture pathways

💡 Explanation

Increased CO₂ dissolution leads to enhanced chemical weathering because carbonic acid forms, reacting with the limestone by mineral dissolution; therefore karst landscapes exhibit enlargement rather than deposition because of this persistent interaction.

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