Dr. Garcia is a sleep researcher who supports the theory that the purpose of sleep is to consolidate memories and rest the vision system. The name of the theory Dr. Garcia supports is the _____ theory.

Policies of ________in regard to drinking alcohol tend to increase rates of addiction rather than reduce them

a. total abstinence b. education about substance abuse c. maintaining cultural norms d. containment

African Americans are paid less than Whites for the same work. This may be due to:

A) unequal education. B) segregation. C) discrimination. D) all of the above