You are presented with the question "What do fossil fuel gases cause?" and the following answer choices: 
- Extra money
 - Sea level rise
 - forest is destroyed
 - Mining opportunity
 - population movement
 - Dehydration
 - deforestation
 - oxygen

Now knowing that gases released during the use of fossil fuels causes global warming and sea level rise is caused by global warming and the fastest growing source is air traffic, choose the best answer.


 

  Sea level rise       