Page 22 - 新思维科学活动用书9 样章
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1.3  The carbon cycle




                     4  Construct a results table in the space below, and complete it to show Arun’s results.



















                     5  Explain Arun’s results.





























                     Challenge

                     6  Use Arun’s results, and the diagram of the carbon cycle, to explain the importance of plants in
                         maintaining a stable concentration of carbon dioxide in the atmosphere.



























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