Across
- 5. -supersonic plane causes Which pollution
- 6. -Plants and trees release this gas
- 7. -Process if collecting, processing and reusing is called
- 8. -Main indicator of soil erosion
- 10. -world water day is celebrated this month
Down
- 1. -Syringes are examples of which waste
- 2. -silviculture is management of...
- 3. -which layer protects earth from harmful UV rays
- 4. - Which organ if human body gets effected by aur pollution
- 9. -Purest form of water