a 60 kg ingot of brass consists of zinc and copper. 25% of the ingot consists of zinc. how many kilograms of copper does the ingot of brass contain

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.

When was virginia conflict of interest and ethics advisory council created?

3. meena and ala are two friends. meena has a habit of using new pens almostevery day, whereas ala believes in getting a refill for her pen instead of buyinga new pen even though her friends make fun of her.a) which out of two practices would you follow and why? b) which value is ala depicting?