Carbon cycle

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Across
  1. 1. Factories and humans burn things to release carbon dioxide into the atmosphere
  2. 5. The process by which plants and animals release carbon dioxide back into the air
  3. 6. These organisms break down dead and decaying matter
  4. 7. What is process called by which plants make their own food?
  5. 9. The green pigment found in plants responsible for photosynthesis
  6. 10. The type of cell found at the top of a plant leaf filled with a lot of chlorophyll
Down
  1. 2. The gas that plants excrete during photosynthesis
  2. 3. Plants use this as a reactant in photosynthesis
  3. 4. The type of cell found in the middle of a leaf which is spongy to allow for the plant to bend without breaking
  4. 8. The opening on a leaf that is controlled by guard cells