Photsynthesis and Respiration

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Across
  1. 2. what will happen to humans when plants disappear
  2. 3. what a plant does when it's hungry
  3. 7. the coolest person
  4. 8. something the sun gives off
  5. 9. byproduct of photosynthesis
  6. 10. sugar,like glucagon
Down
  1. 1. allows plants to convert CO2 into oxygen
  2. 4. if we don't have it we will die
  3. 5. the colour of most plants
  4. 6. key element in photosynthesis
  5. 7. something the plant filters