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.
Eye disease lol sbdjejebhebeebhe
A form of stretching that's used in sports. I learned that in my school i'm not sure though because some school's learn it differently. ≥ω≤ Hope I helped
A is the answer I've had this question before also on a health work sheet