Answer:
The discovery may have been <u>accidental</u>.
Explanation:
The group of sailors were simply trying to cook food over fire, not create glass.
It would be All the nurses I met greeted e with their best smile. Because you are not specifying whether the person or people, are males, or females.
This persuasive technique is called appeal to authority.
Appeal to authority is a persuasive technique where the speaker relies on the credibility of another person or event to suport their own argument. It is often considered a fallacy because the speaker depends on the "authority"instead of presenting their own evidence.
Example:
"A commercial claims that <u>3 out of 4 dentists</u> would choose this particular brand of toothpaste for their own families to use."
In this statement, the dentists are the authority the argument depends on.