El medio ambiente

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Across
  1. 1. walking around a lot can leave behind marks such as.
  2. 7. to stop something from being destroyed.
  3. 9. to stop something from happening.
  4. 10. the process of converting waste materials into new materials and objects.
  5. 11. finding new ways to use things instead of throwing them away.
  6. 12. to get rid of waste
  7. 13. long-term weather pattern in an area.
  8. 14. cutting down on the amount of waste being used.
  9. 15. keeping a current state from falling apart.
Down
  1. 2. to teach one another educational things in life.
  2. 3. when water dries out in an area.
  3. 4. silvestres the zoo is a home to.
  4. 5. cutting down trees in the woods or a forest.
  5. 6. to decrease in speed.
  6. 8. to increase in speed.