Sam was arrested for burglary and taken to the police station. after sam was booked, detective johnson administered miranda warnings. sam stated that he understood his rights, and proceeded to sign a written waiver. after answering several questions, sam said: "maybe i should speak to a lawyer before i get myself in deeper." under established supreme court rulings, detective johnson: a. must immediately terminate the interview. b. may ignore sam's request to speak with an attorney because sam has waived his right to counsel for the duration of the interview. c. must ask questions to clarify whether sam wants to invoke his right to counsel d. may ignore sam's statement and continue asking questions until sam makes an unambiguous request for an attorney.

Music the height of a wave or the amount of the wave carries is the amplitude. a.air b.nodes c.speed d.energy

The authors of the paper "fudging the numbers: distributing chocolate influences student evaluations of an undergraduate course"† carried out a study to see if events unrelated to an undergraduate course could affect student evaluations. students enrolled in statistics courses taught by the same instructor participated in the study. all students attended the same lectures and one of six discussion sections that met once a week. at the end of the course, the researchers chose three of the discussion sections to be the "chocolate group." students in these three sections were offered chocolate prior to having them fill out course evaluations. students in the other three sections were not offered chocolate. the researchers concluded that "overall, students offered chocolate gave more positive evaluations than students not offered chocolate." indicate whether the study is an observational study or an experiment. give a brief explanation for your choice.

Which process the body warm up when its cold