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← GeographyWhich 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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