What percentage of the U.S. tax budget is spent on Social Security and Medicare?

Cross-cultural studies suggest that dreams

a. reflect the life events that concern the dreamer. b. reflect unconscious impulses. c. are similar across cultures. d. are important for good memory function. e. rarely concern issues of violence and death.

Which of the following classes of drugs increases alertness, elevates mood, and produces a feeling of well-being?

A) Stimulants B) Narcotics C) Hallucinogens D) Depressants