addy word work

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Across
  1. 4. the branch of biology
  2. 7. a liquid based on water
  3. 9. 2 wheels driven by hand power
  4. 11. something that happened 2 times a year
  5. 13. a medicine
  6. 14. the science of earths shape
  7. 15. making a payment
  8. 16. every word ever senconed
  9. 17. taken for a illness
Down
  1. 1. a system of methods
  2. 2. 2 things in 1 turn
  3. 3. the branch of math
  4. 5. written by hand
  5. 6. a persons muscle
  6. 8. study of life
  7. 10. writings of religion
  8. 12. one or more