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← GeographyWhich atmospheric effect intensifies when the subtropical high-pressure zone descends, compressing air within Hadley cells?
A)Enhanced desertification due to increased aridity✓
B)Strengthened jet streams causing polar vortex shift
C)Decreased precipitation from rising air masses
D)Weakened trade winds altering ocean currents
💡 Explanation
When the subtropical high descends and compresses air, adiabatic heating occurs within Hadley cells because the air's volume decreases under higher pressure. Therefore, enhanced desertification results due to increased aridity, rather than alternatives which depend on fundamentally different atmospheric mechanisms and locations.
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