Carbon Cycle

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Across
  1. 5. What is a bad impacy humans have on the Carbon Cycle.
  2. 6. the feeding of plants from the sun.
  3. 7. process of fossil fuels forming
  4. 8. building block of life.
Down
  1. 1. breathing.
  2. 2. passing of co2 between the ocean and the atmosphere
  3. 3. feed oneself
  4. 4. rotting into the ground