Câu 1. "Dùng 4W1H để xác định thực trạng làm việc nhóm với học phần Kỹ năng giải quyết vấn đề & ra quyết định ở học kỳ 2 năm học 2020 - 2021 của bản thân." (4 điểm) Câu 2. Dùng 2 chiếc mũ vàng và mũ đen để đưa ra đánh giá của anh/chị về học phần Kỹ năng giải quyết vấn đề & ra quyết định.

An object weighs 40n in air , weighs 20n when submerged jn water and 30n submerged in a liquid of unknown density .what is the density of the liquid?

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

1. describe the concept of the unitary executive. discuss whether this concept is practical.