You are presented with the question "What is used for keeping food fresh for a long period of time?" and the following answer choices: 
- Gardens
 - an electric stove
 - A kitchen appliance
 - Fuel cells
 - Plates
 - Air freshener
 - Electric generators
 - electricity

Now knowing that arefrigerator is used for keeping food fresh for a long period of time and kitchen appliances include refrigerator, choose the best answer.


 

   A kitchen appliance      