Which is considered as oldest civilization of the world? November 24, 2021November 24, 2021 administrator A. egyptian civilizationB. harappa civilizationC. chinese civilizationD. mesopotamian civilizationCheck AnswerD. mesopotamian civilization Share the PostRelated Posts:Which is the continuous world's oldest democracy?Which is the world's oldest democracy?The Indus Valley Civilization was based on the racial stocks…The "cradles of civilization" have beenWhere is the world's oldest university?Which of the following mountains are the oldest according to…