The concept of
air pollution is the presence of foreign substances present in the air or significant change in the composition of the atmosphere to cause adverse effects on human health, animals and other ecosystems .
-The cause air pollution means substances that its presence in the atmosphere to cause adverse effects on human health, growth and development of plants and animals ...
+ Pollutants Primary: The infiltration of pollutants directly into the environment from stationary sources: SO2, CO2, CO, dust ...
+ secondary pollutant: The substance penetrates the environment through reactions between pollutants primary and normal reaction of the atmosphere: SO2 + SO3 generated from O2; H2SO4 born from: SO2 + O2 + H2O ...
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