Fact 1: Sunlight and rain can cause a rainbow.

Fact 2: Bent light separates into the colors of a rainbow.

Given the two facts above, answer the question "What can cause bent light to separate into colors?" with the following options: 
- heat energy
 - focusing a lens
 - chemical changes
 - flow of electrons
 - electrically
 - Electrical energy
 - sunlight and rain
 - energy of moving objects


 

       sunlight and rain  