The most reasonable explanation is that a seaman saw a giant squid, which may have attacked the boat as food
Although you have not provided the needed excerpt, here are key quotes from Book 12 that show Scylla could not be defeated.
“For Scylla is not mortal; moreover she is savage, extreme, rude, cruel, and invincible. There is no help for it; your best chance will be to get by her as fast as you ever can,” This kind was spoken by the Goddess Circe.
“Scylla pounced sown suddenly upon us and snatched up my six best men.” This shows that even his best men couldn’t have the chance to fend off the sudden Scylla that devoured them.
Hope this helps!
Answer:
Try to say how you feel about this picture? What it reminds you of? Does it relate to any topic? Are you having strong feelings? Do both senses in the picture give an idea of the weather? What can you infer?
For example:
This pictures reminds me of the glaciers I see everyday in pictures or books. The bottom picture makes me think of a nice day in a city
(if the picture is a like global warming thing I'm sorry because I don't have my glasses on me right now)
When my cousins come to visit, we put an extra leaf in the table to make it bigger.
Problem: Cousins coming to visit = more people to fit in the desk
Solution: putting an extra leaf