Across
- 3. process of eroding or being eroded by wind, water, or other natural agents
- 7. a piece of land almost surrounded by water
- 9. these are toxic and dirty substances that pollute the environment
- 13. energy obtained from nature
- 14. dangerous place from which emits lava
- 19. it is process which cause fast industrial development
- 21. substances friendly for environment
- 22. it is substance which is very healthy and useful for people
- 23. piece of land surrounded by water
- 24. a low area of land between hills or mountains
Down
- 1. for example Atakama
- 2. very high and dangerous form of land
- 4. it take place when somewhere is too many people
- 5. large natural sandpit
- 6. place where was lived Ann Shirley
- 8. person who deal with environment and take care about it
- 10. a place on the coast where ships may find shelter
- 11. all things that live together and affect each other
- 12. colorful underwater rock which usually consist of living organisms
- 13. elektromagnetic waves which may be used to cure cancer
- 15. floating mass of ice
- 16. for example Niagara
- 17. place where rubbish are stored
- 18. major cause of air pollution in big cities
- 20. a river or stream flowing into a larger river or lake