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Geography

Which shift results following slower North Atlantic Deep Water formation?

A)Decreased local marine biotic productivity
B)Increased equatorial atmospheric convection
C)Weakened upper-level anticyclonic steering
D)Amplified near-polar seasonal precipitation

💡 Explanation

A reduction in NADW weakens the Atlantic Meridional Overturning Circulation. This upwelling slowdown reduces nutrient transport, decreasing biotic productivity because nutrient delivery is less efficient; therefore productivity declines rather than shifting convective processes.

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