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presentation for class]]> Tue, 03 Feb 2009 09:38:12 GMT /slideshow/environmental-impact-of-energy-sources/984275 pgiffenig@slideshare.net(pgiffenig) Environmental Impact of Energy Sources pgiffenig presentation for class <img style="border:1px solid #C3E6D8;float:right;" alt="" src="https://cdn.slidesharecdn.com/ss_thumbnails/scienceenergypresentation-1233675390904848-3-thumbnail.jpg?width=120&amp;height=120&amp;fit=bounds" /><br> presentation for class
Environmental Impact of Energy Sources from pgiffenig
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