Chức năng của triết học Mác-Lênin a. Chức năng chú giải văn bản
b. Chức năng làm sáng tỏ cấu trúc ngôn ngữ
c. Chức năng khoa học của các khoa học
d. Chức năng thế giới quan và phương pháp luận

Which of the following was not a factor that contributed to world war i? a. american neutrality b. nationalism in the balkans c. the system of overlapping military alliances among different european nations d. the rise of germany as an imperial power

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?

Asociologist wants to study a culture that occurs in some women’s prisons: “state families,” in which individual prisoners take on certain roles within a group of like-minded prisoners. there is previous evidence that younger prisoners will use older inmates who play the roles of grandparents as a resource before they will turn to staff for and advice. the lieutenant in charge of a dorm of long-term prisoners offers to gather volunteers to speak to the researcher and also offers to vouch for the integrity of the researcher. the use of this staff is: a valid use of a statistical technique referred to “snowball sampling” wherein the inclusion of the first subject leads to the recruitment of another one subject.a useful tactic in obtaining a sample of prisoners who both meet the criteria and who will be honest with the researcher.wrong and is prohibited; subject selection needs to be free from intervention by prison authorities or prisoners.acceptable only when the researcher’s irb grants a special waiver.