What the question? I’ll try and answer it
The word 'trepidation' means 'a fear or anxiety about something that may happen'.
2 goes with the second one (control rods).
3 goes with forth one (mass of unstable fuel)
4 goes with one (shield)
1 goes with third one (moderator)
5 goes with coolant
The author most likely included this to show Buck learning his lesson. This is an important part in Buck's progression as a character later on in the story.
Answer:
Pacing affects the mood of your story, helps develop ideas and themes, and allows your readers to connect to the characters and the events that surround them. While it might be easy to think that a fast pace will be most effective, the truth is that it depends on the story you're telling
Explanation: