Photosynthesis

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Across
  1. 4. What is a fundamental process?
  2. 5. What do plants need unlike me and you?
  3. 6. What does air, water and light make?
Down
  1. 1. What can't we do?
  2. 2. What stops us turning blue?
  3. 3. what captures sunlight in the leaf of the plants and the trees?