Photosynthesis Crossword

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Across
  1. 1. carbon dioide
  2. 5. small things on a tree
  3. 6. something that makes a tree stand
  4. 7. it is a green pigment.
  5. 8. makes light in the air
Down
  1. 2. a chemical element that is in the air.
  2. 3. it contains clorophyll in it.
  3. 4. H20
  4. 9. C6H12O