Photosynthesis

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Across
  1. 1. What is necessary for photosynthesis to occur
  2. 3. Gas produced during photosynthesis
  3. 5. Green substance which traps light
  4. 7. Name of food substance produced
Down
  1. 2. Why plants photosynthesise
  2. 4. Part of plant that absorbs water
  3. 6. Part of the plant where photosynthesis occurs