uni- bi- tri-

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Across
  1. 1. one sound, all together
  2. 2. three angles
  3. 3. three wheels
  4. 6. the next place value category after millions; one thousand million
  5. 8. one wheel
  6. 9. two eyes
  7. 10. turned into one community
  8. 12. one whole, or one item of a whole group
Down
  1. 1. to join as one or make into one
  2. 2. the next place value category after billions; one thousand billion
  3. 3. three times repeated, x3
  4. 4. one horn
  5. 5. three books, a series with three books
  6. 6. two wheels
  7. 7. clothes that only have one form or only give one form = everyone looks the same
  8. 8. “uni” meaning “one”, “verse” meaning “turned” = universe meaning turned into one whole, the whole of existence
  9. 10. the state of unity, being joined as one
  10. 11. three people performing or a song with three parts or sections