The earth rotates from west to east. A wind mass begins movings due north from the equator, along the earth's surface. Neglect all effects other than the rotation of the earth. The wind mass will

Options

A. always move due north
B. shift a little to the east as it moves to higher latitudes
C. shift a little to the west as it moves to higher latitudes
D. move along a loop and return to its starting point on the equator

Answer

b