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← GeographyWhich effect occurs when sustained offshore winds drive coastal upwelling of nutrient-rich water?
A)Increased primary productivity along the coast✓
B)Decreased ocean salinity in the upwelling zone
C)Elevation of sea surface temperature locally
D)Intensified coastal erosion rates
💡 Explanation
When offshore winds induce upwelling, nutrient-rich water rises from the deep ocean because the surface water is displaced, leading to increased phytoplankton growth and elevated primary productivity. Therefore, elevated productivity occurs, rather than decreased salinity, elevated temperature, or intensified erosion.
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