Fact 1: Arainbow is formed by refraction of light by separating light into all different colors.

Fact 2: Refraction is the bending of light.

Given the two facts above, answer the question "a rainbow is formed by what of light by separating light into all different colors" with the following options: 
- Energy.
 - Color palette
 - sunlight
 - energy
 - photons
 - Bending.
 - Rainbow brite
 - Light bulb


 

      Bending.   