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← GeographyWhich mineral outcome results when cave air's prior CO2 equilibrium changes?
A)Stalactite formation rate increases✓
B)Dissolution rate of bedrock increases
C)Surface tension within cave decreases
D)pH of groundwater rises rapidly
💡 Explanation
Increased CO2 solubility decreases calcite solubility; therefore, the existing bicarbonate ions, through the mechanism of mineral precipitation, rather than dissolving limestone; it favours the growth of stalactites because the process shifts equilibrium.
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