People and the planet

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Across
  1. 2. Highest percentage of air consists of
  2. 4. dioxide This gas forms acid rain
  3. 6. A diseases caused due to contamination of water
  4. 8. p[ollution The type of pollution which is likely to affect Taj Mahal in Agra to a greater extent is
  5. 9. oil and gas are ______________ fuels
  6. 10. Smoke+fog
Down
  1. 1. An element present in the exhaust of automobiles
  2. 3. Chlorofluorocarbon is used in this appliances
  3. 5. addition of harmful substances to the environment is called
  4. 7. The solid or liquid particles dispersed in the air are called