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Reconsidering The Lives Of The Earliest Puerto Ricans: Mortuary Archaeology And Bioarchaeology Of The Ortiz Web Site Plos One

While the variety of protons in the atom of an element do not vary, the variety of neutrons may. Atoms of a given factor which have different numbers of neutrons are often recognized as isotopes. Another significant plateau happens after ad 1620 within the form of the Suess Effect (Keeling 1979). For Africanists, this plateau

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