Jacob

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Across
  1. 5. usually the 2nd difficulty in a game
  2. 6. researches disease, e.t.c.
  3. 9. 1 of the 4 first operations you learn in math
  4. 10. 6 sided
  5. 11. can talk 2 languages
Down
  1. 1. 200th anniversary
  2. 2. we used to be monkeys
  3. 3. reduce, reuse,_______
  4. 4. interchangeable
  5. 7. works at a library
  6. 8. a snake