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PPT ON POLLUTION

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PPT ON POLLUTION

  1. 1. Water Pollution Water pollution is the contamination of water sources by substances which make the water unusable for drinking, cooking, cleaning, swimming, and other activities. Pollutants include chemicals, trash, bacteria, and parasites. ... Land pollution can seep into an underground stream, then to a river, and finally to the ocean.
  2. 2. Air Pollutiion
  3. 3. Air Pollution • Air pollution is a mixture of solid particles and gases in the air. Car emissions, chemicals from factories, dust, pollen and mold spores may be suspended as particles. Ozone, a gas, is a major part of air pollution in cities. When ozone forms air pollution, it's also called smog. Some air pollutants are poisonous.

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