Answer :
The force, called the "Coriolis effect," causes the direction of winds and ocean currents to be deflected. In the Northern Hemisphere, wind and currents are deflected toward the right, in the Southern Hemisphere they are deflected to the left.
The coriolis effect influences the paths of surface-ocean currents by the rotation of the earth from west to east cases surface ocean currents to swerve to the right in the Northern Hemisphere, helping establish the circular, clockwise pattern of water current. In southern Hemisphere it swerve to the left, thereby moving in a circular counterclockwise pattern.