To ensure proper protection for food during storage the bottom shelf should be at least 3 inches - 3 feet above the ground. This is to protect the food from pests and other organisms that may cause disease and health-problems to people who are going to consume such produce. It is a common practice done in the past and have evolved in the process of manufacturing these days.
Answer:
I think what stops students from making healthful dietary choices at my school are the unhealthy food options
Once a year or possibly for a physical when you are doing a sport or camp. Hope this helps!
I think computers. hope that helps.