Which of the following is not a natural source of air pollution ?

Which of the following is not a natural source of air pollution ? Correct Answer None of the above

Natural pollution comes from natural sources like release of methane by cattle and paddy fields, carbon dioxide from plants and animals, dust storms, nitrogen oxides, ozone, volcanic eruptions, emission of natural gas, sol erosion, ultraviolet rays,etc. Mercury is not a cause of natural pollution.

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Which of the following is not a natural source of air pollution?
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বাংলাদেশের শহরগুলোতে বায়ুদূষণের প্রধান অংশ নয় কোনটি? (Which one is not a major source of air pollution in the cities of Bangladesh?)
Which of the following is a man-made source of air pollution ?
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