You are presented with the question "What gas is produced by burning propane?" and the following answer choices: 
- Greenhouse gases
 - Sulfur dioxide
 - gasoline
 - Carbon monoxide
 - hydrocarbons
 - carbon dioxide
 - dangerous
 - heating liquids

Now knowing that carbon monoxide is a gas produced by furnaces and other devices that burn fuel and cabins have wood burning stoves and propane furnaces, choose the best answer.


 

    Carbon monoxide     