Which of the following are real-life examples of United States foreign aid at work?

i. buying textbooks for school children in Afghanistan
ii. water treatment facilities in Iraq
iii. providing drugs to combat AIDS in Africa
A.
i and ii only
B.
i and iii only
C.
ii and iii only
D.
i, ii, and iii

Amaster's degree candidate needs to conduct a research project for her master's thesis. she is interested in the types of junk food available to the public. she plans on going to the local convenience stores and asking the owners what types of junk food the store normally stocks and which are the biggest sellers. identifiers will not be collected. this study would fall under which of the following? a. expedited review b. exempt review c. full board review d. not human subjects