Multiple choice

The tropical cyclones do not occur close to the equator because of

  1. weak coriolis force

  2. light and variable winds

  3. excessive humidity

  4. convective activity

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A Correct answer
Explanation

The Coriolis force is zero at the equator and increases toward the poles. Tropical cyclones require the Coriolis force to initiate the rotation of the air mass; without it, the low-pressure system cannot develop into a cyclone.

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