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Geography

Which outcome occurs when persistent offshore winds drive surface currents away from a coastline?

A)Increased surface water salinity
B)Nutrient-rich water upwelling
C)Coastal erosion acceleration
D)Thermocline deepening and stabilization

💡 Explanation

When offshore winds displace surface waters, upwelling occurs because pressure gradients draw deeper, nutrient-rich waters upwards to replace the surface waters. Therefore nutrient-rich water upwelling results, rather than salinity increase, erosion gains, or thermocline deepening, which depend on other processes.

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