Which of the following statements is true about photosynthesis?
A. It helps maintain the carbon monoxide balance in the atmosphere.
B. It is essential in the production of oxygen.
C. It is of fundamental importance in producing the inorganic materials needed for supporting life.
D. It is rarely affected by the spread of human population.
Answer: B
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An "iatrogenic effect" is:
A. An outcome that is favorable to all of the stakeholders. B. A process that creates conflict among competing stakeholders. C. An adverse outcome that unintentionally arises from an intervention or treatment. D. An unplanned favorable outcome of a process, similar to "serendipity." E. An outcome that contributes to environmental justice.
What percentage of mothers are employed in America?
a. 30% b. 57% c. 72% d. 90%
Postindustrial societies are characterized by
A. being information based. B. an increase in manufacturing jobs. C. a large working class of industrial laborers. D. a strict division of labor.
Which of the following is likely to be a primary group?
A. the members of a neighborhood softball team B. all American citizens C. all of the players in the National Hockey League D. the American Civil Liberties Union