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![]() Date: 2010-08-18 15:42:32Recent single origin hypothesis Khoisan languages Ethnic groups in Africa Click consonant Merritt Ruhlen Proto-Human language Khoisan Language isolate Origin of language Linguistics Megafauna Zoology | Source URL: www.asa3.orgDownload Document from Source WebsiteFile Size: 81,77 KBShare Document on Facebook |