Air pollution in major cities of developing countries is
A. Not well understood
B. Rapidly becoming less of a problem
C. Usually negligible
D. Responsible for extremely high rates of respiratory diseases
E. Decreasing because of the use of scrubbers and other technologies
Answer: D
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A cloud of interstellar gas is held together by
A. the gravitational force. B. electromagnetism. C. infrared radiation. D. All of the above.
Both the Czars and the Soviet leaders of Russia tried to gain political control over non-Russian areas through the practice of __________, which attempted to ________ other ethnic groups.
a. Russification; acculturate b. Russification; assimilate c. central planning; assimilate d. central planning; acculturate
Which of the following regional patterns of FDI in the U.S. is INCORRECT?
A) Canada; along the U.S.-Canadian border B) Europe; Middle Atlantic and Great Lakes states C) Asia; Pacific region D) Mexico; U.S.-Mexico border E) All of the above are correct.
_____ is to liquids as vapor density is to gases.
a. Specific gravity b. Miscibility c. pH d. Viscosity