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What Gemstone Was Originally, But No Longer, Considered Precious?
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Lowell Heddings, better known online as the How-To Geek, spends all his free time bringing you fresh geekery on a daily basis. You can follow him on Google+ if you'd like.
Earth is a deep and watery place; approximately 71 percent of the planet’s surface is ocean and 66 percent of the surface is deep ocean (water with a depth of 660 feet or more).
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