By the end of the Song Dynasty, there were 9,600 runners, who
were working the system. What
were runners?
A. Individuals that competed in sports games for ancient China
B. Individuals that traveled on the Silk Road trading goods for
ancient China
C. Individuals that delivered letters, messages, and food by foot

Aresearcher conducts a focus group to learn about attitudes towards hygiene and disease prevention. two weeks after the focus group, the researcher learns one of the subjects had a heart attack at home and was hospitalized, but made a full recovery. based on dhs regulations, the researcher report this event to the irb? no, this does not need to be reported since the subject had the heart attack when they were home, not at the focus group. no, this does not need to be reported since it is unrelated to participation in the study. no, this does not need to be reported because two weeks have passed. no, this does not need to be reported since the subject recovered.

Choose one of these concerns and write a short paragraph about its impact on africa. what has caused this problem to occur, and how has it impacted people who live there?

The belmont principle of beneficence requires that: a. subjects derive individual benefit from study participation. b. potential benefits justify the risks of harm. c. the study makes a significant contribution to generalizable knowledge. d. risks are managed so that they are no > minimal.