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     EduGorilla 
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    How does the presence of nitrogen oxides in the air affect humans?

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    1. It makes children susceptible to respiratory diseases in the winters.
    2. It impairs concentration, slows reflexes and makes children confused.
    3. It leads to diseases of the lung and other lung disorders.
    4. It makes eyes itch, burn and water and lowers resistance to pneumonia.
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