Answer:
First of all, I LOVE PERCY JACKSON! Enjoy reading!
Second of all, I think sending Medusa's head was a good idea. By doing this, Percy reminded his dad that he's still here, and he's kind of angry for him only claiming him to go off on a quest to clear Poseidon's name.
1. 3. 4. Sorry to be late but anyone else who is now doing this yw:)
By telling the reader what the character is like
Plot is what happens in the story (like the events) and theme is the lesson/message of the story.
