Soon after discovery, it was observed that quasars had a starlike appearance which was blurred by earth’s atmospheric "seeing." despite the blurring, it was realized that the intense energy emitting regions of quasars must be small because they
a. are very luminous. b. radiate huge amounts of energy. c. have high radial velocities. d. are surrounded by quasar fuzz. e. fluctuate rapidly on time scales as short as a few hours.

Aresearcher conducting behavioral research collects individually identifiable sensitive information about illicit drug use and other illegal behaviors by surveying college students. the data are stored on a laptop computer without encryption, and the laptop computer is stolen from the researcher’s car on the way home from work. this is an unanticipated problem that must be reported because the incident was (a) unexpected (i.e., the researchers did not anticipate the theft); (b) related to participation in the research; and (c) placed the subjects at a greater risk of psychological and social harm from the breach in confidentiality of the study data than was previously known or recognized. according to ohrp, this unanticipated problem must be reported to the irb in which timeframe? promptlywithin 48 hourswithin 24 hourswithin two weeks

In a the people elect the legislature, and the legislature chooses the head of government. question 5 options: parliamentary democracy communist state presidential democracy autocratic state

Epicureanism advocated reason and duty. select the best answer from the choices provided t f