Across
- 4. Glaciers abrade and ____ rocks and sand as they move over the land
- 5. The process of new crust and destroyed/recycled
- 8. Long periods of this is called..?
- 12. The... is approximately 4.5 billion years old
- 13. How many main types of glaciers
- 14. Recycled at the Deep-Ocean Trenches
- 15. Core 2nd thinnest
- 17. How many major plates?
- 18. found high up in the mountains
- 20. Moves extremely slow
- 21. Glaciers cover most of..
Down
- 1. Are areas in the boundaries that are "super active"
- 2. Glaciers are also responsible for the formation of valleys and types of..
- 3. Thickest layer
- 6. Glaciers are like..
- 7. They cover whole continents
- 9. The Earths crust is..
- 10. The theory of Continental Drift was put forward by
- 11. Thinnest layer of Earth
- 16. Crust Is being made at the Mid-Ocean ridges
- 19. how many layers of the Earth
- 22. core 2nd thickest