You are presented with the question "Gases from burning coal and and oil dissolving in the atmosphere can cause what?" and the following answer choices: 
- polluted rain
 - disease
 - humidity
 - thunderstorms
 - snow
 - contamination
 - Temperature
 - harmful substances

Now knowing that gases from burning coal and oil dissolving in water in the atmosphere causes acid rain and acid rain comes from polluted clouds, choose the best answer.


 

 polluted rain        