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← GeographyWhich cave feature results from water oversaturation with calcium carbonate?
A)Stalactite formation accelerates downward✓
B)Speleothem coloring becomes consistently grey
C)The underlying bedrock becomes impermeable
D)Cave temperature readings fluctuate wildly
💡 Explanation
Water oversaturated with CaCO3 precipitates calcium carbonate because of decreases in the partial pressure of dissolved CO2 via degassing, leading to deposition. Stalactite growth increases downward; therefore deposition occurs at the drip point, rather than different mineral coloration or temperature fluctuations.
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