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Air Pollutants: Gases and Their Effects
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Lung diseases are about four times more probable in urban areas as compared to rural areas. This is due to the presence of which of the following in atmosphere?
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A
$NO _{2}$
💡 Explanation:
When nitrogen is released, it combines with oxygen and becomes NO, later it combines with oxygen to become $NO _2$. It causes of lungs, lowers the resistance to respiratory infection. If level increases it causes intense astama on people. Because air pollution is more in urban than in rural areas, lung diseases are more probable in urban areas.