The idea that it is the duty of the wealthy to help society was promoted by

According to subpart d, research with children may be eligible for exemption when: the children will be asked to complete a surveythe research involves the use of educational teststhe children will be interviewed by the researcher.the research with children will involve participant observation with researcher interaction.

People are willing to pay more for a diamond than for a bottle of water because

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