Which of the following would be a good question that could be scientifically investigated?

a. what is the correct way to pursue happiness in life?
b. can play the piano at a shower tempo improve the sound quality?
c. what is the best advice a parent can give a child?
d. does lack of sunlight affect plant growth?

Asubject in a clinical research trial experiences a serious, unanticipated adverse drug experience. how should the investigator proceed, with respect to the irb, after the discovery of the adverse event occurrence? a. do not report the adverse drug experience to the irb since it is a common adverse experience.b. report the adverse drug experience to the irb only if there are several other occurrences.c. report the adverse drug experience as part of the continuing review report.d. report the adverse drug experience in a timely manner, in keeping with the irb's policies and procedures, using the forms or the mechanism provided by the irb.