Crossword

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Across
  1. 3. Colourless, odorless, tasteless gas
  2. 4. A plastid that contains chlorophyll
  3. 6. A substance that takes part in and undergoes change during a reaction.
  4. 7. Nature's way of reusing carbon atoms
  5. 10. The process by which green plants and some other organisms use sunlight
  6. 13. A series of chemical reactions that break down glucose to produce ATP
  7. 14. Makes, grows, or supplies goods
  8. 15. Cause to change in form, character, or function.
Down
  1. 1. A colorless and non-flammable gas at normal temperature and pressure
  2. 2. Use light energy to make two molecules needed for the next stage of photosynthesis
  3. 5. An article or substance that is manufactured
  4. 8. A change in physical form or a nuclear reaction.
  5. 9. An organelle found in large numbers in most cells
  6. 11. C6H12O6
  7. 12. A soil bacterium, fungus, or invertebrate