The direction of flow of ocean is determined mainly by the

The direction of ocean flow is mainly determined by two factors: prevailing winds and the rotation of the earth. Prevailing winds are the winds that blow most frequently in a particular area, and they exert a significant influence on the surface of the ocean. The rotation of the earth, on the other hand, creates what is known as the Coriolis effect. This effect causes moving objects, including ocean currents, to be deflected to the right in the Northern Hemisphere and to the left in the Southern Hemisphere. As a result, the combination of prevailing winds and the Coriolis effect determines the direction of ocean currents. Other factors such as the shape of the continents, temperature, and depth of the ocean can also affect ocean currents, but prevailing winds and the rotation of the earth are the primary drivers.