SCIENCE

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Across
  1. 1. in what form does phloem transport food
  2. 5. the largest artery of the body
  3. 7. calcium carbonate is also called
  4. 9. the shape of a lens used to focus light to a point
  5. 11. the type of image which is always erect
  6. 12. the process by which phloem transfers food
Down
  1. 2. the bending of light ray as it passes through one medium to another
  2. 3. reaction that takes in energy in the form of heat
  3. 4. what prevents blood backflows
  4. 6. substance that participates in a reaction
  5. 8. the imaginary line at right angle of the mirror
  6. 10. substance formed as a result of a chemical reaction