You are presented with the question "What is used to preserve food?" and the following answer choices: 
- evaporation
 - Something from Nesco
 - white vinegar
 - Calcium carbonate
 - salt and water.
 - layers of fat
 - Exfoliation
 - adding heat

Now knowing that dehydrating food is used for preserving food and our Nesco Food Dehydrators require no tray rotation due to a patented air flow system, choose the best answer.


 

  Something from Nesco       