Presentation about water pollution pdf. Presentation On Air Pollution Issues and Its Control - Delhi An ever increasing use of fossil … Water pollution occurs when harmful substances—often chemicals or microorganisms—contaminate a stream, river, lake, ocean, aquifer, or other body of water, … Coastal Water Pollution Industry Cities Urban sprawl Construction sites Nitrogen oxides from Toxic metals and Bacteria and viruses from sewers Sediments are washed into waterways, … • Solid waste causes blockage in flow … • Pollution. Environmental Pollution can be defined as any undesirable change in physical, chemical, or biological characteristics of any component of the … River pollution has been one of the main topics in the environmental issue of urban Dhaka, the capital city of Bangladesh. • Just like food and water, the air can get dirty. These can categorised as: Point and Non-point Sources Natural and Anthropogenic Sources (i) Point and Non-point Sources The well … Groundwater Pollution ... Water Pollution & It’s Effects - Water pollution is the contamination of water bodies. This form of environmental degradation occurs when pollutants are directly or indirectly discharged into water bodies without adequate treatment to remove harmful compounds. Purification of water Purification of water involves physical, biological and chemical … water pollution). It has been suggested that it is the leading worldwide cause of deaths and diseases, and that it accounts … Water Pollution Presentation - Free download as Powerpoint Presentation (.ppt / .pptx), PDF File (.pdf), Text File (.txt) or view presentation slides online. Water Pollution Water resources in most developing countries are being polluted beyond their capacity to sustain traditional uses because of high population growth rates. SOURCES OF AIR POLLUTION Major sources of air pollution in Delhi include: Vehicles Road Re-suspension dust Construction … Published 31 January 2015. is when harmful materials (pollutants) … Water Pollution: Causes, Consequences, Prevention … Water Pollution - PowerPoint Slides - LearnPick
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