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← GeographyWhich deformation to atmospheric circulation results as polar air descends and encounters the Coriolis effect?
A)Eastward jet stream strengthening regionally✓
B)Increased trade winds reaching higher latitudes
C)Stronger localized equatorial upwelling currents
D)Weakened Hadley cell convection overall
💡 Explanation
Polar air descends and moves toward the equator. The Coriolis effect deflects this air eastward, creating strong jet streams, because Earth's rotation influences moving air masses; therefore, jet streams strengthen regionally, rather than trade winds shifting or Hadley cells weakening, which occur via other mechanisms.
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