Answer:
"First, the plesiosaur is an air breather." is the line from the article that best disproves the plesiosaur theory. In the article, the author argues that because plesiosaurs were air breathers, they would need to come up for air more frequently than any sightings ever occur. As there are so few "sightings" every year and supposedly fewer now than ever, it is unlikely that Nessie is a plesiosaur.
Explanation:
I would Choose D because A is not correct because the librarian doesnt do that kind of stuff they just help find books It cannot be B because The internet can always be sus and not always have what you are looking for Its not C Because of the same reason for why B is not the correct answer Hope this helped :D