The answers are 1, 3, and 4.
Answer:
The quest initiates the rising action and Percy's main conflict
Explanation:
The quest introduces Percy's conflict and is what the story centers around for most of the rest of the book.
This is a part of his supreme ordeal. His return home is much broader and includes his supreme ordeal which is what you described in the question. He fought them because he wanted to stop them from taking his wife Penelope. This was during the competition where they had to prove themselves.
3rd answer!! perseus shows strength
There are many ways to convey suspense. In movies, you can do it with choosing specific tunes in the background and making sets that look eerie or by zooming in on people's faces (which was an old method). In music you can slow the tempo down and add some random high pitched notes from time to time such as those found in old horror films or classical tunes. In books, it is usually done through descriptions of the unknown or mysterious.