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← GeographyWhich mechanism establishes desert biomes due to atmospheric cells?
A)Hadley cell descent and adiabatic compression✓
B)Polar cell ascent and precipitation maxima
C)Ferrel cell instability and cyclogenesis
D)Jet stream blocking and persistent anticyclones
💡 Explanation
Hadley cell descent causes dry conditions because as air descends, adiabatic compression warms it, lowering relative humidity and inhibiting precipitation to produce deserts; therefore, descent zones drive desert formation, rather than ascent which causes rainfall.
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