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← GeographyWhich outcome occurs when enhanced thermal contrast strengthens Hadley cells?
A)Increased strength of subtropical jet✓
B)Weakening of prevailing surface winds
C)Decreased polar vortex stability
D)Reduction of global precipitation patterns
💡 Explanation
A stronger Hadley cell leads to greater poleward transport within the upper troposphere; therefore, the subtropical jet strengthens because the conservation of angular momentum is applied during circulation, rather than a weakening of winds or a disrupted polar vortex.
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