What do you to be aware of when assessing the credentials of a person making a claim about a product

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 are the two things that all sociologists do in their studies?

High blood pressure is best described as