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← GeographyWhen persistent offshore winds occur along a coastline, which mechanism causes nutrient-rich waters to surface?
A)Coriolis force-driven upwelling✓
B)Density gradient overturn
C)Tidal mixing amplification
D)Geothermal vent convection
💡 Explanation
When offshore winds blow, Coriolis force deflects surface waters away from the coast, resulting in upwelling because deep nutrient-rich water rises to replace it due to Ekman transport. Therefore Coriolis-driven upwelling occurs, rather than the other responses which require differing physical phenomena.
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