Can someone please help me with this question if you know it??

Aduty of the adult assigned to supervise a group of children is to a. check on the children at least every 20 minutes. b. keep the children within earshot. c. give the children a list of "don'ts" concerning behavior. d. conduct a name-to-face check when transitioning to the playground

What body systems are involded in sleep homeostasis

To avoid food poisoning, perishable items should not be stored in the refrigerator for more than days.