Root word "graph" and Prefixes "Ir" and "Non" Review

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Across
  1. 1. Pictures or words on a wall
  2. 3. A Famous person's signature
  3. 4. Not real
  4. 7. Can't talk
  5. 8. Not normal
  6. 9. 4 or 5 sentences
Down
  1. 1. Pencil Lead
  2. 2. Not important
  3. 5. An Outdated system of sending messages
  4. 6. Not thinking clearly