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Geography

Which process primarily maintains upwelling along the western coasts of continents?

A)Coriolis effect deflecting surface currents
B)Deep ocean volcanic activity
C)Surface salinity concentration differences
D)Erosion from continental shelf rivers

💡 Explanation

When wind blows parallel to coastlines, the Coriolis effect deflects surface currents offshore because Earth's rotation influences the direction of moving objects, forcing water away initiating upwelling. Therefore, Coriolis effect maintains upwelling, rather than volcanic plumes, salinity differences, or river outflows which have different mechanisms.

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