There's quite a lot, the easiest way to figure this one out is to look it up.
1st : Repetition
2nd: Satire
3rd: Rhetorical questions
Answer:
At first, the signal fire symbolizes rescue. But as it grows out of control, it symbolizes danger and death, foreshadowing how it will later become associated with destruction and savagery.
In chapter 2, Jack begins to display his domineering, disruptive behavior by interrupting Ralph's speech and unceremoniously ending the assembly as soon as Ralph mentions a signal fire. Jack's violent behavior and antagonistic attitude directed at Piggy foreshadows their future conflicts.
Explanation:
The main character in the post-apocalyptic world of Ray Bradbury's 'There Will Come Soft Rains' is a house. Humans are extinct, apparently as a result of a nuclear bomb. Bradbury uses personification, or the imposition of human characteristics on inanimate objects, to bring the house to life.