You are presented with the question "An automobile acquires the energy for motion from" and the following answer choices: 
- fossil fuels
 - objects that have mass
 - a hydraulic system
 - layers of fat
 - chemical energy
 - velocity
 - strong nuclear force
 - digestion

Now knowing that an automobile engine transforms chemical energy into mechanical energy and mechanical Energy- Mechanical energy is the energy of moving objects, choose the best answer.


 

     chemical energy    