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Chemical Cycles in the Biosphere

A new Interactive DVD. Video footage from around the world and updated computer graphics show how chemicals cycle within the biosphere. Emphasized are the oxygen-carbon dioxide cycle, the nitrogen cycle, the water cycle, acid rain and how toxic chemicals can affect the biosphere. Includes Guided Questions and Mastery Quizzes.



#924-DVD Chemical Cycles in the Biosphere, 1 Interactive DVD (27 min.), guide ... 2010/2011 Price ... $54.50 $ 54.50 Add Item to Cart

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924 Chemical Cycles in the Biosphere

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