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Geography

Which outcome occurs when the Earth's rotation weakens gyre circulation?

A)Localized nutrient redistribution decreases
B)Deep ocean water oxygenation increases
C)Equatorial upwelling zones expand
D)Global salinity gradients stabilize greatly

💡 Explanation

Redistribution decreases because weakening gyre circulation reduces wind driven nutrient transport; therefore, less dissolved compounds circulate from the depths and lower latitudes. This occurs rather than increases in oxygen because it restricts transfer, and differs instead from shifts in global salinity distributions.

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