Across
- 2. tallest trees
- 6. where 2 plates meet
- 7. when a pillow is not a pillow
- 8. 75km thick crust
- 9. Mickey Mouse
- 10. to conserve the landscape and wildlife
- 12. prevents tall trees from falling over
- 14. shrinking world
- 16. Grasslands
- 17. Canada
- 18. 5th most popular destination 2004
- 19. too many animals eating too much grass
- 20. plate moves under another plate
- 21. no seasons
Down
- 1. determines speed of lava flow
- 3. 3640
- 4. people are forced to work long hours for little pay
- 5. Mr Trett
- 7. ash volcano in Mexico
- 11. best country in the world
- 13. 1872
- 15. to the west of south america
- 20. hot desert