Fact 1: Sunlight and rain can cause a rainbow.

Fact 2: If sunlight is passed through a prism, a rainbow is produced.

Given the two facts above, answer the question "what does a prism form?" with the following options: 
- Light
 - an image
 - water
 - rainbow
 - storm
 - mirror
 - a prism
 - Energy.


 

    rainbow     