Natural Resources-Theory Session-2
In this session teacher has discussed about - natural resources. Air pollution, Causes of air pollution, Natural causes – forest fire – volcanoes – dust storms, Man-made causes: deforestation, Combustion of fossil fuels, Acid rain, Smog, Industrial effluents (gases), Solid waste, CFC’s, Effects of air pollution, Global warming, Biological problems, effect on humans, Effect on animals, Effect on plants.
Missing video
Session: 
