Friday, May 28, 2010

Saving Trees by Recycling

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2 comments:

  1. Dr. ChristophyMay 28, 2010 at 8:07 AM

    The stella model is http://faculty.sacredhearthamden.org/christophy/stella_models.htm called Effect of Saving Trees on Recycling.

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  2. Dr. ChristophyMay 28, 2010 at 10:48 PM

    Models have been moved to http://stellachem.wikispaces.com/

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