Ben's words #9

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Across
  1. 4. A map book
  2. 6. Extinct animal with a long neck
  3. 7. A black bird
  4. 8. Fall in America, which is what happens to leaves during the season
  5. 9. Suggest to someone what to do
  6. 10. A puzzle with lots of pieces to put together
  7. 12. Make a difference to
  8. 13. Can do it
Down
  1. 1. Animal with a very long neck
  2. 2. Opposite of alkaline, low pH
  3. 3. Captain ******** wears them every day
  4. 4. To soak up
  5. 5. This is one!
  6. 9. Can be acute or obtuse
  7. 11. Busy no lazy