You are presented with the question "gases from burning coal and oil dissolving in water can harm what?" and the following answer choices: 
- soils
 - people
 - oil reserves
 - plant life
 - animals
 - coal factories
 - humans
 - gas buildup

Now knowing that gases from burning coal and oil dissolving in water in the atmosphere causes acid rain and acid rain can harm plant life and actually kill plants, choose the best answer.


 

    plant life     