Wipro_20700613_Mounika Vadapalli_Air pollution

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Across
  1. 5. Gas released from burning coal that causes acid rain
  2. 6. The layer of gases surrounding Earth
  3. 10. Planting more trees to reduce air pollution
  4. 12. Pollution caused by smoke from factories
  5. 13. Natural source of air pollution from erupting mountains
  6. 14. Heat trapped in Earth’s atmosphere due to gases
  7. 15. A thick, dirty fog formed by air pollution in cities
Down
  1. 1. The gas mainly responsible for global warming
  2. 2. The layer that protects Earth from harmful UV rays
  3. 3. Rain that becomes acidic due to air pollution
  4. 4. A poisonous gas produced by incomplete burning of fuel
  5. 7. Tiny particles in air that can harm our lungs
  6. 8. Harmful gases released by vehicles and factories
  7. 9. Index used to measure how clean or polluted the air is
  8. 11. Burning of fuels like petrol and diesel