Chemistry
JAMB 1985
If the ONLY pollutants found in the atmosphere over a city are oxides of nitrogen, suspended lead compounds. carbon monoxide and high levels of methane, the probable source(s) of the pollution must be?
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A.
automobile exhaust and biological decomposition
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B.
combustion of coal and automobile exhaust
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C.
biological decomposition only
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D.
combustion of coal, automobile exhaust and biological decomposition
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E.
combustion of coal and biological decomposition
Correct Answer: Option B
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