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← GeographyWhich mechanism causes dry conditions at latitudes around 30 degrees north and south?
A)Subsidence of air in Hadley cells✓
B)Convergence of trade winds
C)Jet stream frontal activity
D)Ocean current upwelling
💡 Explanation
When air rises at the equator, it cools and releases moisture, then moves poleward and sinks around 30 degrees latitude because of the rotation, forming Hadley cells. Therefore subsidence results, rather than Convergence, Jet streams, or Upwelling, which have different driving mechanisms.
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