You are presented with the question "Using renewable resources reduces what?" and the following answer choices: 
- Heat energy
 - energy usage
 - massive damage
 - chlorofluorocarbons
 - direct damage to the lungs
 - Temperature
 - deforestation
 - scarce resources

Now knowing that using renewable resources to generate power reduces greenhouse gases and chlorofluorocarbons are greenhouse gases, choose the best answer.


 

    chlorofluorocarbons     