Fact 1: Using renewable resources to generate power reduces greenhouse gases.

Fact 2: Solar power, wind power, and recycling are resources that are renewable.

Given the two facts above, answer the question "What does solar power reduce?" with the following options: 
- Chemical energy
 - Heat energy
 - energy usage
 - Greenhouse gasses
 - massive damage
 - Heat from the sun
 - Air in the environment
 - The need for water


 

    Greenhouse gasses     