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← GeographyWhich outcome results when increased thermal expansion of equatorial air intensifies?
A)Strengthened Hadley cell air subsidence✓
B)Decreased jet stream meandering
C)Weakened polar vortex stability
D)Increased extratropical cyclone shear
💡 Explanation
Strengthened thermal gradients intensify the Hadley cell, leading to increased Coriolis effect from conservation of angular momentum on rising air creating strong subsidence; therefore A results, rather than altered mid-Lat jet stream patterns because those operate due pressure gradients.
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