Hydroelectric power is produced using the energy of moving water.

Which description tells how this process is accomplished?

1. Water flowing upstream is help in a reservoir behind a dam. The water moves up through channels in the dam where it flows past turbines, moving them and creating electricity.

2. Water flowing upstream moves through a channel in a dam. The water moves though a generator that produces electricity, and then it moves to a reservoir.

3. Water flowing downstream moves through a reservoir in a dam and past turbines. It then moves through channels and cause a generator to produce electricity.

4. Water flowing downstream is held up in a reservoir behind a dam. Some water moves down channels through turbines connected to generators which produce. electricity... i need this for my arva science test