According to most scholars, life expectancy in the United States increased dramatically after 1900 because of
.a. .?the introduction of smallpox inoculation.
.b. .?the development of new medical treatments.
.c. .?changes in nutrition and living conditions.
.d. .?the natural evolution of epidemics.
.e. .?the natural evolution of microorganisms into less dangerous forms.
ANSWER: .c
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Which of the following is false regarding culture and midlife crisis?
a. The midlife crisis is a cultural invention. b. The concept of midlife itself is limited to adults studied in the United States. c. In other cultures, transitions and crises are related to role relations such as marriage and relocation into the spouse's family. d. In other countries, women experience midlife crises at higher rates than men.
Arab Americans are descendents of people from the ________ nations of the Arab world.
A. 5 B. 17 C. 22 D. 48
As used in the social sciences, probabilities are a type of ___________ which vary from _____________
a. percentage, 0 to 1 b. fraction, 0 to 100 c. proportion, 0.00 to 1.00 d. Z score, 0 to infinity
The structure of inequality in the feudal system of medieval Europe is most similar to
A. an early European democracy. B. early U.S. democracy. C. the Indian caste system. D. the European capitalist system.