Answer:
form one's features into a pleased, kind, or amused expression, typically with the corners of the mouth turned up and the front teeth exposed.
Explanation:
People seem to think that the pyramid workers were slaves, which is ridiculous and untrue.
The tone of the original passage is formal. It could be in a trusted, reliable source on Egyptians. The answer has an informal tone. It uses the words "ridiculous" and "untrue". These opinion words make the sentence of opinion not a statement of fact. The original sentence is a statement of fact.
