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Define pollutant and contaminant ?
A substance which is already present in nature but grows in Quantity due to human activity and adversely effects the environment is called pollutant Ex : CO2, SO2….etc A substance which is not present in nature, but produced by human activity and has adverse effect on environment is called contaminant Ex : MIC (methyl Isocyanate)
A substance which is already present in nature but grows in Quantity due to human activity and adversely effects the environment is called pollutant Ex : CO2, SO2….etc A substance which is not present in nature, but produced by human activity and has adverse effect on environment is called contaminant Ex : MIC (methyl Isocyanate
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