A. Charles Darwin
Darwin suggested that a sneer retains elements of baring one's teeth so as to threaten predators.
Answer:
false
Explanation:
might be wrong but pretty sure im correct
<span>A system of beliefs or ideas that justifies the social, moral, religious, political, or economic interests held by a group or by society is often called an "ideology" or an "agenda". </span>
They were a exciting discovery because it gave them a glimpse at what prehistoric life was like.