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Which process limits stalactite growth in arid caves?

A)Decreased cave air humidity
B)Elevated groundwater magnesium levels
C)Increased carbon dioxide absorption
D)Enhanced bat guano decomposition

💡 Explanation

Stalactite growth in arid caves is limited by lowered cave air humidity which reduces evaporation, because the water and mineral solution cannot precipitate. Reduced evaporation decreases the rate of deposition in the oversaturated solution of calcium carbonate, therefore stalactite production slows, rather than continues.

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