You are presented with the question "Operating an automobile usually requires what from gasoline?" and the following answer choices: 
- hydrogen and oxygen
 - adjusting the seats
 - washing the windshield
 - heat energy
 - energy pollution
 - honking the horn
 - scarce resources
 - food and shelter

Now knowing that operating an automobile usually requires fossil fuels and energy pollution Cars operate mainly on gasoline, a fossil fuel, choose the best answer.


 

     energy pollution    