From the Figure Below Interpret the Basic Pattern of Ocean

Multiple Choice

From the figure below interpret the basic pattern of ocean currents and identify the reason why it is so.

A) The main ocean current flows south from the poles toward the equator partly due to the variations in density of seawater.
B) The main ocean current flows clockwise in the Northern Hemisphere and counterclockwise in the Southern Hemisphere partly due to the ocean conveyor belt.
C) The main ocean current flow counterclockwise in the Northern Hemisphere and clockwise in the Southern Hemisphere partly due to gyres.
D) The main ocean current flow clockwise in the Northern Hemisphere and counterclockwise in the Southern Hemisphere partly due to the Coriolis effect.