Answer:
It is significant in the context of his greater story because it shows he is his own person even with a piece of Voldemort living in him.
This is repeatedly a theme of Harry’s character. That he isn’t Voldemort because he makes different choices.
Rowling wanted it to be conveyed though in Harry’s character clearly that he could easily have been someone like Voldemort.
Harry could have easily chosen a path like that after discovering he had powers of Voldemort’s. He could have decided he wanted to be a dark wizard too.
The danger that Harry might eventually give in and go over to the dark side as it were is repeated at certain points throughout the Harry Potter book series, but mostly in the earlier installments
A solid is a state of mater, which is stable can can not change physical shape unless something changes it (erosion,etc)
Answer:
He is a prophet, and he gives us several signs of his power even before he tells us his prophecy. One of the reasons why we know that he is indeed a prophet is from the interpretations that he makes of signs. The signs tell him that the gods do not approve of Creon's behaviour.
hope it hwlps
Repetition usually tells us that the someone wants a large emphasis on this word: that it has a significant meaning to them, and/or possibly the whole tale itself.