AIR POLLUTION
Air pollution is when there are toxic particles or substances in the air that can harm humans. Air pollution is dangerous to everyone, especially to children, the elderly, and people with health problems for they are vulnerable. Although, most people think that air pollution is only outdoors, your home may also have potentially dangerous air pollutants. Examples are cigarette smoke, chimney smoke, factory fumes, and vehicle fumes. Pesticides can also cause air pollution for they contain dangerous chemicals and the spray can drift into the air.
We should stop air pollution by all means. The simple ways we could do to stop air pollution is to quit smoking, clean the car exhaust regularly so the smoke wouldn't be too black (when the smoke coming out of your car exhaust is already dark-colored, it will contribute more air pollution), avoid using too many pesticides, and etc.
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