gasoline engine solar roof panels coal power plant nuclear power plant
I gave my students this multiple choice question: Michael's family is building a new house. They would like to use electricity generated by renewable resources. Which of these power supplies would help the family accomplish its goal?

Only one answer is correct among these 4 choices:
- gasoline engine
- solar roof panels
- coal power plant
- nuclear power plant

Could you tell me which one is correct?

solar roof panels