photosynthesis

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Across
  1. 4. a green substance in plants
  2. 6. what makes your body warm
  3. 8. this is how plants produce sugar and starch
  4. 10. is the liquid that helps us survive
Down
  1. 1. is the air we breath out
  2. 2. is the air we breath in
  3. 3. something that controls our cells
  4. 5. something that produces heat
  5. 7. we uses averages and meanings for this
  6. 9. is something plants produce