Chức năng cơ bản nhất của tiền là gì? A. Phương tiện lưu thông.
B. Phương tiện cất trữ.
C. Phương tiện thanh toán.
D. Thước đo giá trị.

11. what characteristic was shared by all the important scientists of the scientific revolution? the importance of challenging authority at all times in the pursuit of truth. truth is only achievable through a process of inquiry and observation. the belief that traditional methods of inquiry and discovery were correct, but needed greater accuracy. the belief that the ancient philosophers were correct in their original observations of the laws of nature.

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.

Male dominance of contemporary societies is: a.) likely to get stronger as global capitalism becomes more dominant worldwide b.) seen by social analysts as necessary if we are to survive terrorism and future wars c.) a continuation of thousands of year old social patterns d.) likely to decrease as we experience global warming