What to do after someone in your family has passed away from a heart attack?

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

An _ exposure is a repeated or prolonged exposure(over months or years) that may bring about slowly developing symptoms.

This is one popular brand of exercise machine