nutrition in plants

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Across
  1. 4. plants which do not make their own food
  2. 5. gas which plants give out during day
  3. 6. a plant that is autotrophic as well as heterotrophic
Down
  1. 1. a pigment that absorbs light
  2. 2. plants which make their own food
  3. 3. gas used for photosynthesis