what is smog ?how is it harmful
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Smog is a serious problem in many cities and continues to harm human health. Ground-level ozone, sulphur dioxide, nitrogen dioxide and carbon monoxide are especially harmful for senior citizens, children, and people with heart and lung conditions such as emphysema, bronchitis, and asthma
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Answer:The mixture of smoke and fog is called smog. It also contains other particles of dust and gases also. It is very harmful as it decreases visibility leading to accidents.
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