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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A phenotype is:
a. the expression of genes in the structure of a life form b. the genetic codes that make up a life form c. the behavioral propensities of a life form d. a and b above e. all of the above
Fourteen Yale seniors, all psychology majors, were provided with a detailed description of Milgram's experimental situation; they were asked to reflect carefully on it, and to predict the behavior of 100 hypothetical subjects
The 14 seniors predicted that ________________ of the subjects would go through to the end of the shock series. a. a majority b. 50% c. 25% d. only a tiny minority e. all
Today, most of those below the poverty line live in metropolitan centers, especially central cities
Indicate whether the statement is true or false
The sociologist who applied the economic rational choice approach to group behavior was
a. Karl Marx b. Gary Becker c. Peter Berger d. Robert Merton