What is the fastest time someone has run 1 mile?

Which factors influenced the growth of christianity in east africa? select all that apply. a. mansa munsa’s pilgrimage to mecca b. trade with greeks and romans c. influence of a captured syrian servant d. invasion of mali’s christian military e. caravans of christians traveling through the trans-sahara trade network

An object weighs 40n in air , weighs 20n when submerged jn water and 30n submerged in a liquid of unknown density .what is the density of the liquid?

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.