In medieval europe an important technological advance was the use of the padded horse collar for plowing. once this idea was thought of, other people used it. this illustrates that knowledge is generally a:

What does buck’s fear of the hairy man represent? 1 thornton’s excitement about getting to the gold 2 thornton’s fear that buck will leave him 3 buck’s excitement of continuing on with thornton 4 buck’s fear of the unknown world in the wild

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?

Economic growth in the united states does not affect the economies of other countries. select the best answer from the choices provided t f