I think the answer is biased arguments
The use of a song to learn and retain information is known as the music mnemonics. The music mnemonics works the same way as someone recalling the lyrics of the song just as one can recall important details and information using a song. hope this helps. Therefore it would be B.
Answer:
Because no one has ever really seen it before and there is no evidence of there ever being a kind of creature in existence like the Loch Ness monster, which is supposedly a dinosaur-like swan/snake by it's description.
Explanation: