What changes are required if opportunity cost are gose to negative?

The provisions of subpart d, of the hhs regulations, additional protections for children involved as subjects in research apply to: all research involving childrenall research that is > minimal riskall research funded by any federal agencyall research funded by hhs

Montesquieu suggested dividing government into

Einar sees alexandra every day across the room in his history class but has never talked with her. einar likes the way alexandra looks, including the way she dresses and how she wears her hair. he's even more attracted to her apparent intelligence and the way she handles herself in class discussions and during interactions with the instructor. he'd like to know more about her, so he asks one of his friends about her. einar, using a passive strategy to gain information about her, is probably in the preinteraction awareness stage of any relationship that might develop between them. t/f