Please answer the following question: 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.
A:
Something from Nesco