1.0planet forward//www.getitdoneaz.comnational science foundation//www.getitdoneaz.com/author/nationalsciencefoundation/global climate change teacher institute - planet forward - 克罗地亚vs加拿大让球
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the development of the global climate change teacher institute by kurt pregitzer of the michigan technological university has resulted in the training of dozens of middle and high school teachers from around the country in physical, chemical, and biological research on global change. pregitzer’s nsf-funded research is showing how continual, long-term atmospheric nitrogen deposition affects...