You are presented with the question "What do manatees convert into mechanical energy?" and the following answer choices: 
- major threat to health
 - chemical energy
 - direct energy
 - electrical energy
 - objects that have mass
 - fossil fuels
 - photosynthesis
 - adding heat

Now knowing that when an animal moves , chemical energy is converted to mechanical energy and manatees are slow moving animals, choose the best answer.


 

  chemical energy       