Save the world !!!

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Across
  1. 5. sort
  2. 7. teenager
  3. 9. save
  4. 10. hand
  5. 11. wash
  6. 12. water
  7. 13. rub
Down
  1. 1. health
  2. 2. waste
  3. 3. world
  4. 4. reduce
  5. 5. easy
  6. 6. idea
  7. 8. environment
  8. 13. aware