Across
- 3. plates move away from each other
- 7. dixoide .04%
- 8. cooler,drier
- 10. 21%
- 11. transport of weathered rock by wind or rain
- 12. loss of topsoil
- 14. plates slide past each other
- 15. most dense,humans live here,weather occurs
Down
- 1. earths surface
- 2. oversaturated soil, air cannot enter
- 4. warmer,rainer
- 5. breakdown of rock into smaller pieces
- 6. land that seperates flowing water
- 7. plates move toward each other
- 9. 78%
- 13. has most nutrients and is exposed