Desertification refers to the __________
A) abandonment of cities
B) abandonment of suburbs
C) expansion of deserts
D) extinction of species
Answer: C
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Which of the following is true of global warming?
a. It occurs only because of natural environmental processes. b. It is considered to be a serious problem by all scientists. c. It has only negative consequences. d. It is related to the greenhouse effect.
Morbidity rates are the
A. incidence of diseases in a given population. B. number of new cases of a specific disorder occurring within a given population during a stated period of time. C. incidence of death in a given population. D. total number of cases of a specific disorder that exist at a given time.
In the sociological sense of the word, a charismatic leader is
a. a popular person. b. demanding to the point of insisting that followers make extraordinary sacrifices. c. an attractive, likable person. d. someone who is continually in our thoughts.
Which of the following is a major issue in U.S. health care?
a. physician's salaries b. the cost of medical school c. the lack of medical technology d. containing medical costs