You are presented with the question "what does gases from burning coal and oil dissolving in water in the atmosphere do?" and the following answer choices: 
- chemical changes
 - saves trees
 - forms diamonds
 - vaporization
 - heating liquids
 - kills trees
 - weathering
 - Pollution

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


 

      kills trees   