You are presented with the question "When an animal moves, chemical energy is converted to do what?" and the following answer choices: 
- put things in motion
 - adding heat
 - reduce friction
 - Riding a bike
 - sperm and egg fuse
 - slow time
 - The bending of a ray of light
 - slow motion

Now knowing that when an animal moves , chemical energy is converted to mechanical energy and mechanical energy puts things in motion, choose the best answer.


 

 put things in motion        