Across
- 7. spoiling natural resources
- 8. 03
- 9. breeze Winds created by change in pressure
- 12. essential materials for a living
- 13. the weather over a larger scale
- 15. the breath of life
- 16. product of wearing down of rocks
- 17. suspended carbon particles
- 18. an element released in photosynthesis
Down
- 1. gases that prevent the heat to leave from earth
- 2. harmful substances in spoiling resources
- 3. process where water turns into vapour
- 4. running out of
- 5. a blanket covering the earth
- 6. smoke and fog combined
- 10. a greenhouse gas starting with M
- 11. a zone where the hydrosphere, lithosphere and atmosphere interact
- 13. a gas released in respiration
- 14. the liquid essential for life
- 19. nitrogen fixing bacteria