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