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Old Monday, June 07, 2010
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Xeric Xeric is offline
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Green house Effect and Global warming

http://www.youtube.com/v/dP-tg4atr5M



Climate Change

http://www.youtube.com/v/_nZjrPoAlbU



How TV Works

http://www.youtube.com/v/TE_agdPYYWQ



How Air Conditioning Work

http://www.youtube.com/v/1MiQCBIx1mM

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AdeelAhmed (Friday, February 03, 2012), Jolie Dame (Thursday, July 25, 2013), Last Island (Monday, June 07, 2010), marwatone (Tuesday, June 08, 2010), sajjad khan joiya (Monday, June 07, 2010), SAMEYA AROOJ (Monday, November 10, 2014)