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"\nClick Here for PollOnline Surveys | Web Poll | Email MarketingView MicroPollAnswer: C) Most people assume that global warming is caused by burning oil and gas. But in fact between 25 and 30 percent of the greenhouse gases released into the atmosphere"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.treehugger.com/culture/pop-quiz-greenhouse-guess.html>