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← GeographyWhich outcome occurs when the descending air in a Hadley cell is significantly drier than average?
A)Increased desertification at that latitude✓
B)Intensified polar jet stream oscillation
C)Weakened Coriolis effect on trade winds
D)Extensive flooding in equatorial regions
💡 Explanation
When drier-than-average descending air occurs, adiabatic compression ensues which reduces rainfall, increasing temperature because of low specific heat. Therefore, increased desertification results, rather than increased jet stream oscillation, a weakened Coriolis effect, or extensive flooding, which require different climatological preconditions.
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