unit 3 environmental pollution and waste management environmental pollution causes effects and control measures environmental pollution may be defined as any undesirable change in the physical chemical or biological characteristics ...
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...Unit environmental pollution and waste management causes effects control measures may be defined as any undesirable change in the physical chemical or biological characteristics environment which can cause on various forms of life property types pollutants biodegradable that degrades decomposes rapidly by natural processes non do not decompose very slowly air an atmospheric condition certain substances are present concentrations man his sources two those caused due to phenomena ex volcanic eruptions forest fires decay pollen grains marshes radioactive materials artificial created thermal power plants vehicular emissions fossil fuel burning agricultural activities etc classification depending form they classified primary secondary directly emitted atmosphere harmful co no so formed reacting with other components some basic component new oxides nitrogen react moisture give nitric acid indoor inside buildings offices houses is called most important pollutant radon gas from building like b...