You are presented with the question "What do dolphins use to store energy?" and the following answer choices: 
- saturated fatty acids
 - thermal insulators
 - kinetic energy
 - evaporation
 - Something coming from a gland
 - objects that have mass
 - it helps plants in growing
 - Positive charges

Now knowing that animals use saturated fatty acids to store energy and dolphins are a very unique animal, choose the best answer.


 

 saturated fatty acids        