Answer: D- all of the above
Explanation:
Hey...I think I remember answering one of your old questions LOL...*Think So*
But one of thier impact was strong food shortages
That they were very creative and smart beings at the time they were wealthy and superior
A researcher analyzing the sounds in languages spoken around the world has detected an ancient signal that points to southern Africa as the place where modern human language originated. The finding fits well with the evidence from fossil skulls and DNA that modern humans originated in Africa.