Environment words

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Across
  1. 2. the study of the environment.
  2. 5. to get water around lots of places is to.
  3. 7. when people cut down forest for materials.
  4. 11. a place with lots of trees and is very damp.
  5. 14. to keep a repetitive process in action.
  6. 15. the many layers of air that surround earth.
Down
  1. 1. think of a cars exhaust pipe.
  2. 3. one layer of the atmosphere keeps U.V out.
  3. 4. the action of conserving something.
  4. 6. like a forest,city or place on earth.
  5. 8. other forms of life such as fungi
  6. 9. different places on earth have different temperatures.
  7. 10. a place to grow plants at high temperatures.
  8. 12. plant life occurring in a particular region or time,
  9. 13. what happens to a glass bottle after you use it.