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← GeographyWhich outcome occurs when karst system pH increases?
A)Stalactite formation rate increases rapidly✓
B)Cave collapse probability immediately decreases
C)Groundwater turbidity rises proportionally
D)Local dissolution rate remains constant
💡 Explanation
Increased pH can drive deposition of calcium carbonate via the common-ion effect, increasing stalactite formation, because it favors precipitation over dissolution. Therefore, stalactites grow faster given higher pH, rather than experiencing dissolution or constant state.
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