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Pollution

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A ppt persentation on pollution by abhishek goyal.

A ppt persentation on pollution by abhishek goyal.

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Transcript

  • 1. POLLUTION
  • 2. TYPES
    • AIR POLLUTION
    • WATER POLLUTION
    • LAND POLLUTION
    • NOISE POLLUTION
  • 3. AIR POLLUTION
    • Air pollution is the introduction of chemicals, particulate matter, or biological materials that cause harm or discomfort to humans or other living organisms, or damages the natural environment into the atmosphere. The atmosphere is a complex dynamic natural gaseous system that is essential to support life on planet Earth. Stratospheric ozone depletion due to air pollution has long been recognized as a threat to human health as well as to the Earth's ecosystems.
  • 4. PICTURES
  • 5. WATER POLLUTION
    • Water pollution is the contamination of water bodies. E.g. lakes, rivers, oceans, groundwater. Water pollution affects plants and organisms living in these bodies of water; and, in almost all cases the effect is damaging either to individual species and populations, but also to the natural biological communities. Water pollution occurs when pollutants are discharged directly or indirectly into water bodies without adequate treatment to remove harmful compounds.
  • 6. P I C T U R E S
  • 7. LAND POLLUTION
    • Land pollution is the degradation of Earth's land surfaces often caused by human activities and their misuse of land resources. It occurs when waste is not disposed properly. Health hazard disposal of urban and industrial wastes, exploitation of minerals, and improper use of soil by inadequate agricultural practices are a few factors. Urbanization and industrialization are major causes of land pollution.
  • 8. PICTURES PICTURES
  • 9. NOISE POLLUTION
    • Noise pollution is displeasing human, animal or machine-created sound that disrupts the activity or balance of human or animal life. The word noise comes from the Latin word nausea meaning seasickness. The source of most outdoor noise worldwide is transportation systems, including motor vehicle noise, aircraft noise and rail noise. Poor urban planning may give rise to noise pollution, since side-by-side industrial and residential buildings can result in noise pollution in the residential area.
  • 10. P I C T U R E S
  • 11. PERSENTED BY---
  • 12. ABHISHEK GOYAL CLASS IX-S

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