B…

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Across
  1. 2. Bible
  2. 4. biochemistry
  3. 7. biotechnology
  4. 8. benefactor
  5. 10. baptism
  6. 11. biodiversity
  7. 12. barbiturate
Down
  1. 1. biology
  2. 3. barbarity
  3. 5. banquet
  4. 6. bicentennial
  5. 7. bombardment
  6. 9. benefit