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← GeographyWhich feedback consequence accelerates stalactite growth in temperate climates?
A)Increased CO₂ due to root respiration✓
B)Enhanced evaporation during the dry season
C)Reduced groundwater calcium bioavailability
D)Freezing cycles fracturing the edifice
💡 Explanation
Increased soil CO₂ enhances carbonic acid formation, stimulating limestone dissolution through chemical weathering. A higher rate of dripping carbonate water from the ceiling occurs because dissolution is accelerated, therefore stalactites grow faster, rather than slower as with other options.
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