You are presented with the question "what converts chemical energy into electrical energy" and the following answer choices: 
- sensory neurons
 - AA lithium cell
 - rotten food
 - Firecrackers
 - an engine
 - deoxyribonucleic acid
 - magnets
 - plants

Now knowing that abattery converts chemical energy into electrical energy and battery life is several months for a AA lithium cell, choose the best answer.


 

  AA lithium cell       