Chemical Cycles in the Biosphere DVD

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VBC924-DV-A
470017-702EA 89.3 CAD
470017-702
Chemical Cycles in the Biosphere DVD
Ideal for Energy Flow Studies

This DVD will help you teach the basic cycling of chemicals in our biosphere. Highlights include the oxygen-carbon dioxide cycle, the nitrogen cycle, the water cycle, and the toxic chemical cycle. It comes with a guide. Closed-captioned. Duration: 21 minutes.



   
 

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