Of all the organ systems, which one suffers the most from environmental pollutants and infection?
a. respiratory
b. cardiovascular
c. gastrointestinal
d. urinary
Answer: a
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Ray Rist determined that a child's path through school was determined by __________
a. the eighth day of kindergarten b. the end of second grade c. how she/he scored on critical standardized exams in elementary school d. the beginning of high school
In the United States, the vast majority of prostitutes are
a. young men who engage in sexual encounters with other men. b. young women between the ages of 17 and 24. c. young teenagers between the ages of 12 and 14. d. women between the ages of 30 and 40 who have at least one child to support.
Which of the following is false in regards to Native Americans?
a. Native Americans have the lowest median income of any group. b. The U.S. government has been active in trying to improve the situation of Native Americans. c. Native Americans living on reservations have higher levels of poverty than those not on reservations. d. On average, Native Americans have lower levels of education than whites. e. Few Native Americans have penetrated into the upper levels of the American occupational structure.
Sociological studies have indicated that people who are married are less likely to commit suicide than people who are divorced. In this example, marital status is a(n)
A. hypothesis. B. independent variable. C. dependent variable. D. index.