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← GeographyWhich effect does the Coriolis force primarily have on large-scale atmospheric convection cells?
A)Deflection of air masses eastward/westward✓
B)Increase in cell size near the equator
C)Intensification of vertical air movement
D)Weakening of pressure gradients within cells
💡 Explanation
When air masses move across the Earth's surface, the Coriolis force causes deflection due to Earth's rotation, resulting in an apparent force that deflects moving objects relative to the rotating frame. Therefore airstreams are deflected east/west, rather than size increase, vertical intensification, or pressure weakening, all which involve other mechanisms.
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