You are presented with the question "What requires a battery to produce light?" and the following answer choices: 
- peachleaf willow
 - a dog
 - electrically
 - a cat
 - a flashlight
 - energy
 - another battery
 - heat energy

Now knowing that aflashlight requires a source of electricity to produce light and batteries are a very handy source of power, choose the best answer.


 

     a flashlight    