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 am hesitating between 4 options to answer the following question, which option should I choose?
Question: Which of these is an environmental benefit of converting to solar energy?
Possibilities:
- 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

a decrease in air pollution