You are presented with the question "what is a rainbow formed by?" and the following answer choices: 
- Condensation
 - gravity
 - sunlight
 - energy of moving objects
 - pot of gold
 - rain or sun shine
 - bending of light
 - h2o

Now knowing that arainbow is formed by refraction of light by separating light into all different colors and refraction is the bending of light, choose the best answer.


 

       bending of light  