Describe the origins of industrial smog, photochemical smog, and atmospheric brown clouds. What are the differences in the cause and appearance of each?
What will be an ideal response?
Industrial smog is typically generated by the use of coal and occurs in cold cloudy areas. It is an "irritating, grayish mixture of soot, sulfurous compounds, and water vapor." Photochemical smog is typically generated by
the burning of gasoline in internal combustion engines. Local weather conditions are usually warm and sunny. Automobile exhaust, nitrogen oxides, and volatile organic compounds react with sunlight to create photochemical smog.
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Which of the following statements applies to a halo around the moon?
A. Cirrostratus clouds are present. B. Rain is falling from the clouds overhead. C. Low clouds are overhead. D. The clouds are composed of water droplets.
The greatest cluster of people in Russia lives in
A. Siberia B. The steppes C. The far north D. Western Russia
Which of the following will have the highest boiling point?
A) CH2CH2CH2OH B) HOCH2CH2OH C) NH2CH2CH2OH D) NH2CH2CH2NH2
Ice sheets in the Northern Hemisphere have a smaller effect on global climate change than Antarctic ice sheets because they expand and shrink in more dynamic fashion.
Answer the following statement true (T) or false (F)