Describe the two most important events in the history of animal life that occurred at the beginning and at the end of the paleozoic era. (2 pts) list and briefly outline the six different periods into which the paleozoic era is divided. (6 pts)

As a senior student representative on the ethics advisory board of your university, you feel strongly that cheating on college exams is unethical. you never cheated on any exam. however, this semester your best friend was desperate for your , and you allowed him to take a quick "peek" at your answer sheet. since then, you feel uncomfortable every time you think of the situation. which of the following concepts best explains your psychological discomfort? a. job detachment b. cognitive dissonance c. emotional labor d. emotional dissonance e. affective detachment