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    Background Chlorine and caustic soda are produced at chlor-alkali plants using mercury cells or the increasingly popular membrane technology that is mercury free and more energy-

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    Charles Darwin (12 February 1809 – 19 April 1882) was an English naturalist, geologist, and biologist, widely known for his contributions to evolutionary biology. His proposition that all species of life have descended from a common ancestor is now generally accepted and considered a fundamental scientific concept.

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    When researchers began applying molecular biology techniques, the genetic characteristics and portions of the genomic sequences of the virus could be identified. These techniques included the randomly primed PCR technique, which obtained the limited sequence data needed to reveal a clear relationship between this new virus and the avian ...

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