IMPORTANCE OF NATURE

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Across
  1. 2. A place with many trees
  2. 5. Water that flows
  3. 6. Not dirty
  4. 8. Dirty air or water
Down
  1. 1. Use things again
  2. 3. Tall plants with leaves
  3. 4. Keep something safe
  4. 7. Living things like cats, birds