Across
- 3. A mechanism by which sun's energy reached earth
- 5. large moving ice mass
- 6. Cutting tree increase global warming
- 9. It protect as form UV rays
- 10. Gradual reduction or loss completely
- 11. It is a greenhouse gas
- 12. Source of light for all organisms on earth
Down
- 1. A material with emits radiation
- 2. Main Greenhouse gas released by burning fossil fuel
- 4. Uper atmospheric layer where ozone is formed
- 7. Natural Surrounding
- 8. Burning coal and oil released natural gases