Can be reduced by the use of renewable energy sources a. social costs b. economic costs c. environmental costs d. all of the above?

d. all of the above. The use of renewable energy sources can significantly reduce social costs by improving public health and community resilience, economic costs by decreasing reliance on fossil fuels and mitigating price volatility, and environmental costs by lowering greenhouse gas emissions and reducing pollution. Transitioning to renewable energy promotes sustainability and can lead to a healthier planet and society overall.