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Though it did not originate there, the Mayan civilization is usually credited as having fully developed which of the following? A.calendar B.irrigation C.written language D.the concept of zero

Verified Answer :

AThe Calendar. Through the supposed end of the world, back in 2012, a number of people tried to blame this on the Mayan's. however, this was not relevant, as they had missed out a number of days, meaning that it was pointless.

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Its calendar i just did a worksheet with this on it