Very fun crossword

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Across
  1. 2. time to time the whole time
  2. 4. a foot of an animal
  3. 6. kind of animal
  4. 7. bear an bear that lives at the north pole
  5. 9. up to being excited for a certain moment
  6. 12. being in danger
  7. 14. helping someone/something with their problems
  8. 15. prevention of wastefulness
  9. 16. gets angry easily
Down
  1. 1. warming the heating of earth
  2. 3. the hairy skin of an animal
  3. 5. not being there
  4. 6. light wind
  5. 8. being deppresed and sad
  6. 10. time being on time
  7. 11. at a time relaxed, and doing things one by one
  8. 13. taking sth down
  9. 14. different kinds of certain thigns