Environment

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Across
  1. 1. okay
  2. 3. foot
  3. 5. new
  4. 7. trees
  5. 9. organic
  6. 10. layer
  7. 12. a mushroom
Down
  1. 2. separates
  2. 4. Sea
  3. 6. oceans
  4. 8. human
  5. 11. fuel