Which one of the following is the reason due to which the wind in the

by

Which one of the following is the reason due to which the wind in the southern hemisphere is deflected towards its left ?

Difference in the water masses of northern and southern hemisphere
Temperature and pressure variations
Inclined axis of the Earth
Rotation of the Earth
This question was previously asked in
UPSC CDS-1 – 2016
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The wind in the southern hemisphere is deflected towards its left due to the rotation of the Earth.
The apparent force that causes moving objects (like wind and ocean currents) to be deflected from a straight path on a rotating planet is called the Coriolis effect. The Coriolis force acts perpendicular to the direction of motion. Due to the Earth’s rotation, this deflection is to the right in the Northern Hemisphere and to the left in the Southern Hemisphere.
The Coriolis effect is zero at the Equator and maximum at the poles. It significantly influences large-scale weather patterns, ocean currents, and the direction of cyclones. Temperature and pressure variations drive the movement of air (wind), but the deflection of that movement is caused by the Earth’s rotation.

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