Chemical Cycles in the Biosphere DVD

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VBC924-DV-B
470138-348EA 65.85 USD
470138-348
Chemical Cycles in the Biosphere DVD
Educational Classroom Kits and Activities
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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