B3 Carbon/Nitrogen Cycle

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  • Created by: Farhana
  • Created on: 16-12-12 15:15
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  • Carbon cycle
    • Powered by photosynthesis
      • Plants convert the carbon from CO2 in air to sugars. Then into carbohydrates, fats + proteins
        • Eating passes the carbon compounds in the plants to the animals in food chain
          • Both plant/animal respiration when alive releases CO2 back into air
            • Plants/animals die and decompose
              • When they decompose, they're broken down by microorganisms. These release CO2 back into air by respiration when breaking down
                • The combustion of fossil fuels releases CO2 into air
                  • CO2 in air (0.4%)
                • CO2 in air (0.4%)
  • Nitrogen Cycle

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