Fact 1: When an animal moves , chemical energy is converted to mechanical energy.

Fact 2: Manatees are slow moving animals.

Given the two facts above, answer the question "What do manatees convert into mechanical energy?" with the following options: 
- major threat to health
 - chemical energy
 - direct energy
 - electrical energy
 - objects that have mass
 - fossil fuels
 - photosynthesis
 - adding heat


 

  chemical energy       