You are presented with the question "gases released during the use of fossil fuels cause a what?" and the following answer choices: 
- atmospheric depletion
 - global environmental problem
 - Plant growth is reduced
 - global finances
 - depress neuronal excitability
 - DNA damage and mutations
 - global food increase
 - global water stability

Now knowing that gases released during the use of fossil fuels causes global warming and global warming is a global environmental problem, choose the best answer.


 

  global environmental problem       