photosynthesis

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Across
  1. 4. use average to get this
  2. 5. it is in sweets
  3. 6. we breath it out
  4. 7. something that controls all of you cells
  5. 8. keeps us warm and allows us to breath in and out
  6. 9. we breath it in
Down
  1. 1. opposite of heavy
  2. 2. what plants do
  3. 3. we drink it
  4. 6. a green substance that comes from a plant