$21.$ Safe storing, preparing, and serving of foods is just as important in childcare programs as serving a balanced diet. Many children and adults get sick from eating foods that are not properly handled. It's important to follow food safety guidelines carefully whenever you buy, store, prepare, or serve food. Guidelines for food safety begin with food purchasing and continue through storing, preparing, serving, and cleaning up afterwards. a$.$ Analyze Figure $4-16$ on page $120.$ Should a checklist be used to ensure food safety in a childcare center? Why or why not?