Human Environment Interaction Review

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