Pollutant
A Pollutant is a substance that pollutes something, especially water or the atmosphere. The burning of Fossil Fuels has added more pollution to the air. As a result the level of green house gases are slowly increasing and so is the earth temperature. CO2 and CH3 are two of the most common green house gases.
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Pollutants relate to acid rain. When there is pollution in the air then the rain comes down with it making it have a low Ph level.
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