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Weather forecast in your minds which of atmospheric pollutants will often be forecast, is not pm2.5, ozone, nitrogen compounds, sulfur compounds, particulate matter, etc., relative to other pollutants, ozone, why is she called pollution things do? Do not protect the Earth's ozone, how to become a contaminant of it? Mainly due to the burning of fossil fuels, industrial society result, a large amount of discharge of nitrogen oxides, sulfur oxides, hydrocarbons, carbon dioxide
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