The Coriolis effect is the result of

  1. Pressure gradient
  2. Earth’s axis of inclination
  3. Earth’s rotation
  4. Earth’s revolution

Answer

The Coriolis effect (also called Coriolis force) is defined as the apparent deflection of objects (such as airplanes, wind, missiles, and ocean currents) moving in a straight path relative to the earth's surface. Its strength is proportional to the speed of the earth's rotation at different latitudes but it has an impact on moving objects across the globe.

The main cause of the Coriolis effect is the earth's rotation. As the earth spins in a counter-clockwise direction on its axis, anything flying or flowing over a long distance above its surface is deflected.

As latitude increases and the speed of the earth's rotation decreases, Coriolis effect increases. A pilot flying along the equator itself would be able to continue flying on the equator without any apparent deflection. A little to the north or south of the equator, the pilot would be deflected. As the pilot's plane nears the poles, it would experience the most deflection possible.

The correct option is C.

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