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Which one of the following provides the force needed to drive the atmospheric circulation ?
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- Higher biotic content of the tropical latitudes and lower biotic content of the polar latitudes
- The energy contrasts between high insolation tropical latitudes and the low insolation polar latitudes
- Higher rotational speed of lower latitudes and lower rotational speed of higher latitudes
- Equatorial radius of the earth is longer than the polar radius
Correct Option: B
NA