Multiple choice

Trade winds of the northern hemisphere blow from north-east to south-west due to

  1. coriolis force

  2. gravitational force

  3. centrifugal force

  4. centripetal force

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A Correct answer
Explanation

The Coriolis force, resulting from Earth's rotation, deflects winds to the right in the northern hemisphere and to the left in the southern hemisphere. This apparent force is the primary reason why trade winds blow from the north-east to the south-west in the northern hemisphere.