water heated by solar panels food cooked over natural gas electricity produced from coal an engine powered by gasoline
I am hesitating between 4 options to answer the following question, which option should I choose?
Question: Mrs. Moyers teaches her students about different energy sources. Which example comes from a renewable source of energy?
Possibilities:
- water heated by solar panels
- food cooked over natural gas
- electricity produced from coal
- an engine powered by gasoline

water heated by solar panels