By becoming proficient at making Oldowan stone tools, scientists were able to demonstrate that
A) the original makers must have been modern humans.
B) the earliest stone tools were spheroids.
C) the original makers were probably right-handed most of the time.
D) the original makers were probably left-handed most of the time.

Question

Quizplus · Accepted Answer

By analyzing the wear patterns on Oldowan stone tools, scientists were able to determine that the original makers were probably right-handed most of the time, as they tended to use the tools more heavily on the left side. This suggests that the use of tools and handedness have been intertwined for a very long time in human evolution.

By Becoming Proficient at Making Oldowan Stone Tools, Scientists Were