Environment
Across
- 3. The layer of gases that surround the earth.
- 6. dioxide CO2
- 7. spills pollute sea water and kill marine life
- 10. the process by which land changes into desert.
- 13. any naturally occurring, inexhaustible source of energy
- 16. the cutting down of trees in a large area
- 17. rain a form of precipitation that contains pollution
- 19. a biological community of interacting organisms and their physical environment.
Down
- 1. the power from something which can do work, There are different types of it: solar, nuclear, hydroelectric...
- 2. warming a gradual increase in world temperatures caused by polluting gases
- 4. friendly with the environment
- 5. the process of making land, water, air, etc., dirty and not safe
- 6. non natural fertilizers given to plants with the intention of promoting growth.
- 8. the increasing population of the world
- 9. layer a layer in the earth's atmosphere that screens out the sun's harmful ultraviolet radiation.
- 11. the place where we live the water we drink, the air that we breath
- 12. effect an increase in the amount of carbon dioxide and other gases in the atmosphere
- 14. species birds/plants/species animals or plants which may soon not exist
- 15. the variety of plant and animal life in the world.
- 18. word that comes from smoke and fog