Does anybody know the answer to these?

What was the midwest states often called because they were located in the center of the nation

What statement about risks in social and behavioral sciences research is most accurate: anonymizing data effectively manages the risk of creating emotional distress.risks are specific to time, situation, and culture.there are never any risks.if a study offers potential benefits, it is not necessary to minimize risks.

To confirm when to exclude children from school it’s recommend that you refer to guidelines from which of the following organizations