Biology

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Across
  1. 4. Something human need everyday
  2. 5. Make out from sunlight, water and carbon dioxide
  3. 7. To protect inside cell
  4. 8. Produce enzymes
Down
  1. 1. Something green in plants
  2. 2. what nose for
  3. 3. Food
  4. 6. to break down food from the stomach