How is mortality rate and life expectancy inversely proportional

Which one contains more bacteria a sneeze or a cough ? ♡

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

How many teeth on primary dentition