Carbon monoxide is a gas produced by furnaces and other devices that burn fuel, and cabins have wood burning stoves and propane furnaces. Given these facts, what gas is produced by burning propane among the following options:
- Greenhouse gases
 - Sulfur dioxide
 - gasoline
 - Carbon monoxide
 - hydrocarbons
 - carbon dioxide
 - dangerous
 - heating liquids


 

    Carbon monoxide     