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Geography

Which outcome follows from increased thermohaline subsidence near Greenland?

A)Weakening of Atlantic Meridional Overturning Circulation
B)Strengthening of the North Atlantic jetstream
C)Polar vortex stabilization over Eurasia
D)Destabilization of North Atlantic storm tracks

💡 Explanation

Reduced thermohaline subsidence weakens density gradients, moderating global ocean currents because the driver (sinking) diminishes, resulting in a decreased Atlantic Meridional Overturning Circulation; therefore, AMOC weakens, rather than strengthens, jetstreams as the gradient influence lessens.

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