The answer is b because it polar bears will be in a non fiction story and periodical is a magazine or newspaper published at regular intervals.
It would be passive because if you evaluate the author and determine what the knowledge of the top are it would be passive i also know because we just did this like two weeks ago.
The correct answer is universal truth.
Universal truth is something that should be known to everyone, regardless of their nationality or upbringing. The idea that love conquers all appears in many texts, and it is something that most people, no matter where they live or how old they are, believe in. Therefore, it applies to every nation, and is thus universal.