<Notice: Removed> The%20Paleolithic%20period%20(or%20Old%20Stone%20Age)%20is%20the%20earliest%20period%20of%20human%20development.%20Dating%20from%20about%202%20million%20years%20ago,%20and%20ending%20in%20various%20places%20between%2050,000%20and%2010,000%20years%20ago,%20it%20is%20roughly%20co-extensive%20with%20the%20geologic%20period%20known%20as - PowerPoint PPT Presentation

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About the Developers

PowerShow.com is brought to you by CrystalGraphics, the award-winning developer and market-leading publisher of rich-media enhancement products for presentations. Our product offerings include millions of PowerPoint templates, diagrams, animated 3D characters and more.