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← GeographyWhich consequence results when upwelling subsidence increases rapidly?
A)Deeper ocean layer nutrient depletion✓
B)Surface algal bloom intensification
C)Coastal hypoxia spreading inhibition
D)Enhanced thermocline layer strengthening
💡 Explanation
Nutrients decline when subsidence increases because rapid downward water movement disrupts the normal upwelling cycle. This inhibits nutrient delivery from depths via advection, therefore nutrient concentration reduces in upper layers rather than causing blooms.
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