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← GeographyWhich outcome results when high magnesium concentration decreases?
A)Aragonite replaces calcite formation.
B)Stalactite growth becomes faster.✓
C)Pillar formation rates decrease sharply.
D)Cavern air becomes less acidic.
💡 Explanation
The growth rate increases because magnesium is the inhibitor of calcite crystal growth; decreased magnesium favors faster calcite deposition. This reduction allows faster carbonate precipitation forming stalactites, therefore increasing deposition rather than decreased pillar creation/altered forms.
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