What is the name given to a person who studies stars, planets, and other objects in the sky?

Why is the united states a constitutional republic? why is china, which has a constitution, not one? compare the forms of government in the united states and china.

Atreatment for stuttering in which the person is asked to speak in a singsong fashion, usually with the aid of a metronome is

The procedures for reporting potential unanticipated problems involving risk to subjects or others to the irb are: stated in the human subject protection regulations, but not in the drug or device regulationsincluded in the consent processdetermined by research staffdetermined by the institution in its written policies and procedures