Photosynthesis

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Across
  1. 2. a substance that takes part in undergoes
  2. 6. the thing plants require to make air
  3. 8. the basic unit of a chemical element
  4. 9. a double membrane
  5. 10. the process
Down
  1. 1. a process of energy
  2. 3. The green cell in plants
  3. 4. The air we produce
  4. 5. the energy
  5. 7. a green pigment in plants
  6. 9. a group of atoms binded together
  7. 11. the air plants produce