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← GeographyWhich outcome occurs when thermal gradients weaken meridional overturning?
A)Weak pressure gradient force emerges
B)Ferrel cell strengthens considerably
C)Polar cell collapses rapidly
D)Hadley cell circulation is disrupted✓
💡 Explanation
Disrupted radiative balance will reduce the tropical-polar temperature gradients, weakening the thermal forcing for Hadley cell circulation because the atmospheric pressure differences cannot be fully maintained, therefore resulting in reduced upper-level divergence, rather than enhanced cells from imbalances.
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