Answer: It is endocrine system
Explanation:
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.
B it is b because it says community. it is a specialized community most likely elder home. if it were c or d it would say something about the hospital.
