Land pollution

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Land pollution

  1. 1.  Historically, land is a dumping ground for waste 6 billion tons of waste produced each year • Agricultural • Commercial • Industrial • Domestic Normally, not a problem if disposed of properly
  2. 2.  Household wastes – breeding ground for rats, flies, mosquitoes One quart used motor oil – contaminates 100,000’s gallons of drinking water Leachate – liquid that results when water moves through any non-water media and collects contaminants
  3. 3.  Land = earth = soil Soil is critical to life • Plants get nutrients from soil • Animals get nutrients from plants
  4. 4.  Four major components • Mineral particles (rocks and clays) • Organic matter • Water • Air Soils vary in different aspects • Color • Thickness • Layers • Amount of clay, salt, & organic matter
  5. 5.  Factors affecting how fast pollutants move through soil • Soil composition • Soil structure • Pore sizes • Amount of organic matter
  6. 6. Image: www.lee-county.comO Horizon – Organic matterA Horizon – Top soilB Horizon – SubsoilC Horizon – Parent Material
  7. 7. 1.People Cut forest for furniture.2.Plastic is the main source of land pollution.3.People throw house garbage on roads.4.Some industries throw their waste on land.
  8. 8. 1.People should not cut trees for making furniture.2.People should not throw garbage on land.3.Plastic bags should be avoided for prevention ofland pollution.4.Industries should not throw there waste on land.

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