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← GeographyWhich feedback occurs when increased rainfall infiltrates limestone formations containing developing stalactites?
A)Enhanced CO2 dissolution rate of limestone✓
B)Reduced mineral precipitation building deposits
C)Increased surface tension holds calcium ions
D)Decreased infiltration through sediment layers
💡 Explanation
Increased rain accelerates weathering because of increased carbonic acid formation via mineral dissolution; a positive feedback enhances the dissolution rate rather than decreases it. Therefore enhanced dissolution leads to quicker stalactite and cave system formation, rather than alternatives like impeded water.
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