X-Rays at different wavelengths provide scientists studying objects in space with information about which of the following? object temperature

object composition

object density

magnetic field of an object

All of the above.

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.

Ihave a density of 1.61g/cm^3 and a mass of 28g. find the missing value

Heterogeneous mixture with larger particles that never settle is