You are presented with the question "Gases released during the use of fossil fuels threaten what?" and the following answer choices: 
- coastlines
 - the entire planet
 - solar movement
 - The atmosphere
 - Plant growth is reduced
 - living things
 - star systems
 - star formations

Now knowing that gases released during the use of fossil fuels causes global warming and global warming threatens the entire planet, choose the best answer.


 

  the entire planet       