Photosynthesis

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Across
  1. 4. water travels through the plant in these
  2. 5. gas used by plants in photosynthesis
  3. 6. green disc that contains chlorophyll
  4. 8. the source of energy for photosynthesis
Down
  1. 1. green pigment that absorbs light
  2. 2. product of photosynthesis
  3. 3. gas produced by photosynthesis
  4. 7. tiny holes in leaf for gases to diffuse