You are presented with the question "What is used to see in the dark?" and the following answer choices: 
- steak
 - Eye patch
 - electricity
 - energy barrier
 - photons
 - energy
 - our nearest star
 - Wishful thinking

Now knowing that alight bulb is used for seeing in the dark and electricity can be converted in to light using light bulbs, and even heat by using heating coils, choose the best answer.


 

   electricity      