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← GeographyWhich outcome is amplified when gyre subduction decreases?
A)Surface salinity gradient increase✓
B)Deep ocean nutrient depletion
C)Coastal upwelling intensification
D)Enhanced carbon sequestration rates
💡 Explanation
Decreased gyre subduction reduces transport of less saline surface water, creating a stronger surface salinity gradient because it slows the global overturning circulation, therefore intensifying salinity differences rather than impacting nutrient distribution.
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