Fact 1: Burning fossil fuels increases the carbon in the atmosphere.

Fact 2: Like coal, petroleum is a fossil fuel.

Given the two facts above, answer the question "What does burning coal increase carbon in?" with the following options: 
- the atmosphere
 - Greenhouse gasses
 - climate
 - Greenhouse gases
 - sunlight
 - circulatory systems
 - space
 - carbon dioxide


 

 the atmosphere        