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

Question

Quizplus · Accepted Answer

Proficiency in making Oldowan stone tools would require a consistent technique, indicating a dominant hand. It is more likely that the dominant hand was the right hand, as the majority of the modern human population is right-handed. Therefore, choice C is the best answer.

By Becoming Proficient at Making Oldowan Stone Tools, Scientists Could