MOST POPULAR VIDEOS

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  Uploaded Mar 01, 2009 by Patrick McElhaney
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• 5:47 Psychology of Sexual Orientation by Cliff Ridenour, Point Loma High School, Mr. McElhaney

  Psychology of Sexual Orientation by Cliff Ridenour, Point Loma High School, Mr. McElhaney

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• 16:14 Refraction of Light lab
  Uploaded May 15, 2018 by Brian Benz
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