Pollutants and Their Effects on Environment

Federal Board > Class 8 > General Science (Total Videos: 145)

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Chapter 4: Pollutants and Their Effects on Environment (13 videos)   (Practice Test)
4.1: Air Pollutants and Their Sources(Practice Test)
  1. Introduction to Pollution
  2. Air Pollutants and Their Sources
  3. Sulphur Dioxide and Nitrogen Dioxide as Air Pollutants
  4. Carbon Monoxide and Chlorofluorocarbons as Air Pollutants
4.2: Effects of Human Activities on Environment(Practice Test)
  1. Green House Effect
  2. Ozone Depletion
  3. Global Warming
  4. Acid Rain
  5. Deforestation
  6. Lack of Natural Resources
4.3: Conservation of Resources
  1. Ways of Savings Our Surroundings
4.4: Saving the Earth(Practice Test)
  1. Solid Waste Management
  2. Ways of Savings Our Surroundings
 

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