When the listener punctuates their listening with smiles, head nodding and verbalizations like "yeah," "uh-huh," this behavior is called

Ball is tossed up in the air at its peak, it stops before beginning to fall.the ball at its peak has

According to ohrp, a problem is an “unanticipated problem” when it meets which of the following criteria: unexpected, related or possibly related to the research, suggests that the research does not put the subjects or others at greater riskunexpected, related or possible related to the research, suggests the research puts subjects or others at greater riskunexpected, unrelated to the research but still occurring with a subject, suggests the research puts others at greater riskexpected, related or possible related to the research, suggests the research puts others at greater risk

Can i have all the nicknames of all 50 states of usa?