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Air and water pollution has become a very important problem in the present. Pollutants that occur in the village can be classified into two groups: 1.Materije from the industry he and energy sources, transport 2.Materije whose source covet that. domaćinstvo.U the air above the town, there are also secondary pollutants molecules resulting from the reaction of primary pollutants. The best example is the air pollution molecules during the winter season which come to the fore pollutants and gases that are due from energy sources such as power plants (urban or industrial) and very individual molecules furnaces. The presence of smog and its effects are phenomena which manifest it. The effect of the canyon is characteristic molecules of long and straight streets molecules where the swirling air flow and where matter and particles ejected from the car or from other sources continuously circulating and increase its concentration (local pollution). The resort can be viewed in two ways, as part of the area subject to pollution molecules from the facility and activity in it but that is the other side of the source of polluting agents that pollute their environment. Smog is one of the most common pollutants in the settlement that occurs when the temperature inversion. There are two types: Acid smog (present at the time of increased concentrations of SO2 and H2SO4 in the air during molecules combustion), Photochemical smog - occurs in summer when it's hot and when it comes to the introduction of hydrocarbons and nodze. Madge concentration around molecules noon. If we analyze the particles in the air of large condominiums then they can be found in about 45% Si, 13% of Fe2O3, 6% Al2O3, 24% C, 1% lime, 1% alkali sulfate, 3% CaSO4, impurities of alkali carbonate, chloride and numerous heavy metal sulphate together with organic matter and fiber.
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