Printed encyclopedias and other books with definitions for 40 Cal
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After 40 cal kyr BP, the climate began to cool, and by 30 cal kyr BP Neanderthals appear to be extinct. Naturally, the dating methods we use, and how we apply them, are crucial if we are to be confident in the chronology we have ( seeDating ...
Online dictionaries and encyclopedias with entries for 40 Cal
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