Fact 1: Keeping food cold is used for keeping food fresh.

Fact 2: Arefrigerator that keeps food cold.

Given the two facts above, answer the question "What is a refrigerator used for?" with the following options: 
- Electrical energy
 - A place to hang magnets
 - Cooling your home
 - staying warm
 - A doorstop
 - electricity
 - energy usage
 - Keeping food fresh


 

        Keeping food fresh 