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← GeographyWhich effect on marine ecosystems results when upwelling currents are disrupted by strong, persistent offshore winds?
A)Inhibited phytoplankton reproduction✓
B)Increased coral reef bleaching
C)Accelerated deep-sea carbon sequestration
D)Enhanced oxygen minimum zone expansion
💡 Explanation
When upwelling is interrupted, the nutrient supply to surface waters is reduced because the deeper, nutrient-rich water is no longer transported upwards, inhibiting phytoplankton reproduction. Therefore inhibited phytoplankton growth results, rather than coral bleaching, carbon sequestration, or OMZ expansion which depend on different environmental drivers.
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