You are presented with the question "What does an engine use as liquid fuel?" and the following answer choices: 
- fossil fuels
 - gasoline
 - kerosene
 - energy
 - bunker fuel
 - Energy.
 - fur and fat
 - water

Now knowing that acar engine usually converts gasoline into motion and heat through combustion and material is classified as a combustible liquid, choose the best answer.


 

  gasoline       