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It is rapidly oxidized in air to form carbon dioxide and enters the global carbon cycle.

The impact of the radiocarbon dating technique on modern man has made it one of the most significant discoveries of the 20th century.For example, based on the primate fossil record, scientists know that living primates evolved from fossil primates and that this evolutionary history took tens of millions of years.By comparing fossils of different primate species, scientists can examine how features changed and how primates evolved through time., download the common English mistakes file here for use in class: I have added explanations to most of the mistakes. Se ha enviado un mail a la dirección de correo que has suministrado.