Save the Andes (Deforestation)

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Across
  1. 6. process natural wearing away of soil, rocks, or other minerals
  2. 9. farming
  3. 10. mass cutting tree
Down
  1. 1. the process where vegetation gradually disappears
  2. 2. harvest wood
  3. 3. species that have a risk of extinction
  4. 4. a large natural elevation
  5. 5. making an area more urban
  6. 7. home for organisms
  7. 8. oxygen producers
  8. 11. chemical reaction that releases heat, light, and various gases