Plants

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Across
  1. 4. Plants produce this gas which is vital for humans and animals.
  2. 5. The food made by the plants in a form of sugar
  3. 6. Name of the process in which aplant produces its own food.
Down
  1. 1. A form of energy that plants use to start the photosynthesis.
  2. 2. plants take in this gas expelled by humans and animals.
  3. 3. It gives the plant green colour.