Week 15

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Across
  1. 3. 60 of these are in a minute
  2. 4. on the subject of
  3. 5. math with letters
  4. 7. to do once more or another time
  5. 10. 12
  6. 12. note the similarity or dissimilarity between
  7. 13. an area or division, especially part of a country or the world having definable characteristics but not always fixed boundaries.
  8. 15. take place or occur
  9. 16. 1/4
  10. 17. imaginary line around the middle of the earth
Down
  1. 1. 1000
  2. 2. opposite of loud
  3. 5. a living organism that feeds on organic matter
  4. 6. to poke with something
  5. 8. moving in a constant direction on
  6. 9. opposite of same
  7. 11. an educational talk to an audience
  8. 14. further or additional