The brown haze in smog is caused by

A. Chlorofluorocarbons
B. NO2
C. Particulates
D. Sulfuric acid
E. Carbon monoxide


Answer: B

Environmental & Atmospheric Sciences

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What will be an ideal response

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Sakhalin Island lacks major mineral deposits

Indicate whether the statement is true or false

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What best describes the natural growth rate in contemporary Europe?

A) fast growth in large nations such as Germany but slow growth in most smaller nations B) extensive population decline in every country C) there is a lack of natural growth as death rates exceed birth rates D) an extremely high rate of growth E) a moderate rate of growth

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