What three forces cause the wind to move

The speed and direction of the wind is governed by three forces; the pressure gradient force (PGF), the Coriolis Force and friction. PGF is the force produced by differences in barometric pressure between two locations and is responsible for the flow of air from an area of high pressure to an area of low pressure.

Explanation:

answer; the above answer to the above statement is (true)

well, that's easy; the answer's c, "it reduces contamination of the water and substrate of the estuary."