Which of the following is not a theory about why we need sleep A. sleep provides time for the body to restore norepinephrine sensitivity
B. sleep provides time to process new learning
C. sleep facilitates brain development, especially in infancy
D. sleep provides time alone, away from social interaction

Most sociologists agree that: a. culture is central in shaping gender roles, but only in preliterate societies. b. biological factors have some influence, but cultural factors are more important determinants of gender roles. c. biological factors are influential in determining gender roles, but only in industrial or complex societies. d. biological factors only explain differences between men and women with regard to aggression and disease. e. there is no difference between the influences of culture or biology on the development of gender roles, as they are unpredictable.

Which of these best describes the function of a "super pac"? a)create bi-partisan legislation that can become law b)organization meant to reign-in spending of political candidates during election cycles c)promote the interests of supreme court justices without breaking specific tampering laws d)raise funds through donations from corporations or individuals to support or oppose specific political candidates

True or false: the eastern roman empire lasted for 1,000 years longer than the western roman empire.