Like windmills they use the winds to generate their power.
Answer:
Biasing - Biasing means being unfair to someone or something, and liking the other one or helping them.
Doping - Doping is where a person use drug to get better at sporting and get stronger muscles, such as getting stronger, getting faster and so on. It is mostly used by athletics.
Current= voltage divided by resistance
120/30=4
Do you mean in general or in a piece of paper?