You are presented with the question "What requires fossil fuels?" and the following answer choices: 
- Electric generators
 - learning about dinosaurs
 - walking to school
 - operating most cars
 - biking to work
 - most organisms
 - move to different locations
 - agriculture

Now knowing that operating an automobile usually requires fossil fuels and car and automobile, for example, are synonyms, choose the best answer.


 

    operating most cars     