Fact 1: Sunlight and rain can cause a rainbow.

Fact 2: Raindrops refract light into rainbows.

Given the two facts above, answer the question "sunlight and rain can cause light to do what?" with the following options: 
- break off
 - renew
 - observe it
 - kill them
 - light up
 - heat
 - freeze
 - refract


 

        refract 