You are presented with the question "What is required so that chemical energy may be converted to light energy?" and the following answer choices: 
- electrically
 - batteries
 - cords
 - sunlight
 - Energy.
 - energy
 - Evaporation
 - plastic

Now knowing that aflashlight converts chemical energy into light energy and only as long as there are batteries in the flashlight, the flashlight will function, choose the best answer.


 

  batteries       