Which of the following sources is responsible for maximum air pollution ?
Correct answer: B. Automobiles exhaust
- A. Industrial chimney exhaust
- B. Automobiles exhaust
- C. Forest fire
- D. Photochemical oxidation of organic matter
Explanation
Automobile exhaust is a major continuous source of urban pollutants such as carbon monoxide, nitrogen oxides, hydrocarbons and particulate matter. Forest fires and industrial stacks can be severe locally, but automobiles are generally identified as the largest routine source in cities.
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