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← GeographyWhich outcome accelerates when increased atmospheric carbon dioxide affects shallow marine carbonate platforms?
A)Increased carbonate dissolution rates✓
B)Enhanced reef accretion rates
C)Reduced sediment compaction depth
D)Stabilized manganese nodule formation
💡 Explanation
Increased atmospheric CO2 dissolves in seawater. This drives carbonic acid formation accelerating carbonate dissolution rates because of lowered pH, creating significant ocean acidification. Therefore, dissolution increases and reefs are weakened, rather than strengthening by accretion. Sedimentation and nodule formation are distinct processes.
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