Use the map on world life expectancy to answer the following question: Which of the following is the most likely culprit for why Africa has such a low life expectancy rate compared to almost everywhere else?

The spread of the AIDS virus
The spread of SARS
The spread of Asian flu
The spread of H1N1

Why was charliemagne hesitant about being crounded holy roman emperor?

Which article of the us constitution addresses the issue of interpeting the laws of the united states

Aresearcher conducting behavioral research collects individually identifiable sensitive information about illicit drug use and other illegal behaviors by surveying college students. one of the subjects is in an automobile accident two weeks after participating in the research study. is this an example of an unanticipated problem that requires reporting to the irb? yes, this must be reported because it was not listed as a risk of study participation in the consent form (was unexpected) and the subject experienced harm.yes, this must be reported because it involved a subject in a research study and it’s up to the irb to determine if it was related to participation.no, this does not need to be reported because it was assessed by the researcher as unrelated to the research study.no, this does not need to be reported to the irb since the researcher reported it to the sponsor of the study.