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← GeographyWhich outcome occurs when increased glacial melt disruption weakens gyre boundary currents?
A)Altered global heat distribution✓
B)Increased coastal phytoplankton blooms
C)Reduced thermocline layer thickness
D)Enhanced deep ocean sequestration
💡 Explanation
Weakened gyre boundary currents reduce heat transport because increased freshwater influx reduces density gradients, diminishing the thermohaline circulation component. This thermal advection drop induces global heat redistribution, therefore affects climate patterns, rather than localized nutrient changes.
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