Fact 1: Alight bulb is used for seeing in the dark.

Fact 2: Electricity can be converted in to light using light bulbs, and even heat by using heating coils.

Given the two facts above, answer the question "What is used to see in the dark?" with the following options: 
- steak
 - Eye patch
 - electricity
 - energy barrier
 - photons
 - energy
 - our nearest star
 - Wishful thinking


 

   electricity      