Word Work List 2

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Across
  1. 6. a science that deals with the relationships between groups of living things and their environments
  2. 7. an agreement that you make with a company to get a publication or service regularly and that you usually pay for in advance
  3. 10. a medicine that is used to kill harmful bacteria and to cure infections
  4. 11. a vehicle with two wheels, usually moved by pedals
  5. 13. offering or expressing a choice
  6. 17. the original copy of a play, book, piece of music, etc., before it has been printed
  7. 18. a branch of mathematics that deals with points, lines, angles, surfaces, and solids
Down
  1. 1. to interchange repeatedly and regularly with one another in time or place; rotate
  2. 2. the study of life
  3. 3. happening twice a year
  4. 4. the act, process, or result of changing or altering something
  5. 5. the sacred writings of a religion
  6. 8. a substance that is added to the water in a vehicle's engine to prevent it from freezing
  7. 9. the use of science in industry, engineering, etc., to invent useful things or to solve problems
  8. 12. a large muscle at the front of the upper arm
  9. 14. a science that studies rocks, layers of soil, etc., in order to learn about the history of the Earth and its life
  10. 15. a substance that stops the harmful effects of a poison
  11. 16. the study of myths of a particular group or culture