User:Evanc21

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Revision as of 23:01, 13 September 2015 by Evanc21 (talk | contribs)
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Hello I'm Evan from California and I'm in EGR103. Here is my article related to the Grand Challenges, this one is about providing clean water. Watch Bill Gates drink water made from human waste, Nick Summers, Engadget, updated 7 January 2015, accessed 13 August 2015 (Grand Challenge)