Human Environment Interaction Review
Across
- 5. the cutting, clearing and removal of trees in a forest
- 8. into the
- 11. dangerously lacking in security or stability natural resources any physical environmental item that people perceive to be useful
- 12. natural resources natural resources that Earth or people can replace
- 15. the use of natural resources or products
- 18. the act or process of changing parts of something, such as the environment
- 19. fuels a natural source that
- 20. usable power that comes from heat, electricity, motion, etc.
Down
- 1. the removal of natural resources from the environment
- 2. removal a surface mining technique in which explosives are used to remove large areas of mountaintops in order to access underlying coal seams
- 3. potential energy
- 4. resources natural resources found on and in the Earth’s crust that include metals, nonmetals, and fuels
- 6. natural resources natural resources that cannot be replaced in a relatively short period of time
- 7. that is formed from the remains of once living organisms
- 9. acidification the process by which oceans are becoming more acidic
- 10. the presence in or
- 13. renewable energy from plants and animals
- 14. is a gas that occurs naturally in our atmosphere
- 16. layer a region located in the atmosphere several miles above the surface of the Earth
- 17. energy power created by splitting atoms apart of combining atoms together
- 21. of a substance or thing that has harmful or poisonous effects