a decrease in air pollution an increase in the cost of energy an increase in the use of fossil fuels a decrease in electrical energy production
I gave my students this multiple choice question: Which of these is an environmental benefit of converting to solar energy?

Only one answer is correct among these 4 choices:
- a decrease in air pollution
- an increase in the cost of energy
- an increase in the use of fossil fuels
- a decrease in electrical energy production

Could you tell me which one is correct?

a decrease in air pollution