You are presented with the question "What in an airplane can mutate organisms?" and the following answer choices: 
- an anion
 - Damages them
 - Jet fuel
 - light energy
 - Toxicity
 - Allergies
 - kill them
 - heat

Now knowing that most carcinogens cause cancer by producing mutations in DNA and jet fuels are carcinogens, choose the best answer.


 

   Jet fuel      