What did ancient Egyptians invent to help care for their teeth?

toothpaste
dental drill
gold fillings
braces

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.

A. the constitution goes into effect. b. samuel adams agree to support ratification of a bill of rights is added. c. virginia and new york refuses to hold conversations ratify the constitution. d. states begin holding conversations to debate ratifying the constitution.

Which statement describes a major advantage of a unitary system of government over a confederal system