Wipro_1275238_RAJPATIL_AirPollution
Across
- 1. Factories causing pollution
- 4. Mixture of smoke and fog
- 6. Major source of pollution
- 7. Gas responsible for air pollution
- 9. Index used to measure air quality
- 12. Process of reusing waste
- 13. Tiny particles in air
- 14. Layer protecting Earth from UV rays
Down
- 2. Emission from vehicles and factories
- 3. Process of breathing
- 5. Source of clean air
- 8. Most abundant gas in atmosphere
- 10. Harmful contamination of environment
- 11. Surroundings we live in
- 15. Gas needed for breathing