In a study on student conformity, researchers selected a group of college students who appeared to represent the characteristics of students from the entire college campus. The selected group served as the of the college .A. population; representativesB. sample; populationC. representatives; campusD. representatives; sample

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?

What words in the preamble to the constitution reflect the principle of popular sovereignty

'nepal have varied vegetation as climate and landforms'. justify the statement