A metal spoon is placed in one of two identical cups of coffee. After a few minutes the cup with the spoon has a lower temperature than the cup without the spoon. Which statement best explains this?
A. Energy is removed from the coffee mostly by conduction through the spoon.
B. Energy is removed from the coffee mostly by convection through the spoon.
C. Energy is removed from the coffee mostly by radiation through the spoon.
D. There is no energy transfer between the spoon and the coffee.

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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.