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  • Bolivia facts, information, picturesEncyclopedia.com

    Get information, facts, and pictures about Bolivia at Encyclopedia.com. Make research projects and school reports about Bolivia easy with credible articles from our FREE, online encyclopedia and dictionary. Among the

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  • Journal of weekly news and commentaries about rocks

    lc John BettsFine Minerals, New York, NY Dealers of Fine Minerals and Natural Crystal Clusters since 1989. Journal of weekly news and commentaries about rocks and minerals and mineral collectingJohn Betts' Mineral Blog

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  • Chapter 63Metal: Chemical Properties and Toxicity

    GENERAL PROFILE This chapter presents a series of short discussions of many metals. It contains a tabulation of major health effects, physical properties and physical and chemical hazards associated with these metals and many

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