name two discoveries that help us to understand early human history

 

1. Discovery of nearly 40% of the skeleton of a female of the hominin species Australopithecus afarensis in Ethiopia in 1974. The skeleton has been named Lucy and it's discovery helped us understand the physical structure of early humanoid species.

 

2. Discovery of the earliest homo sapiens skull in Ehtiopia which suggests that human beings originated in Africa. 
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