Environmental change

5. the Earth system is divided into these
6. the inner most layer of the Earth
8. refers to when a practice can continue to be done in the future
10. the process through which water moves in the ground
11. when liquid water becomes water vapour
13. refers to the water in the Earth system
15. the effect of one species on the entire web
17. the reaction in which oxygen and organic carbon is turned into carbon dioxide and energy
18. the growth of a single crop in a field
19. the crust and upper layer of the Earth's mantle

1. the removal of forests for timber or land clearing
2. the thing the kid in the back thinks everything is
3. refers to the living mass on Earth
4. function of the environment and ecosystems supporting life without human input
7. the thin layer of gas surrounding the Earth
9. country in North Africa, south of Spain
12. when carbon is stored in a sink for long periods
14. the best geography teacher
16. Short vegetation found in many environments