Which percentage of the world's population lives in north america?

According to the ideas of aristotle, match each type of government with its definition. 1. one leader working for the good of the people monarchy 2. one leader working for his own benefit tyranny 3. a few working for their own benefit oligarchy

Afull irb committee meeting is convened and one agenda item is a new research proposal to evaluate how mothers interact with their learning-disabled child. the inclusion criteria require the children to be a minimum of five years of age. the protocol requires the mother of the child to look at the child without any expression and not to talk to the child for three minutes. the committee determined that the mother's required task may upset the child. the irb approved the study with appropriate language in the parental permission form regarding the possibility that children might become upset. after the start of the study, the principal investigator reports to the irb that, as expected, one of the children became upset. the incident was handled according to the protocol and the child is fine. what should the irb do with regard to this report?

Why did separate government develop in ancient greece?