Fact 1: Gases released during the use of fossil fuels causes global warming.

Fact 2: Oil is a fossil fuel.

Given the two facts above, answer the question "Gases released during the use of oil causes what?" with the following options: 
- global warming
 - better weather on the earth
 - colder weather
 - less oily air
 - The atmosphere
 - flooding
 - Temperature
 - cleaner air to breathe


 

 global warming        