Final answer:
In the book 'We Dream of Space,' there are characters who undergo changes.
Step-by-step explanation:
In the book 'We Dream of Space,' there are several characters who undergo changes throughout the story.
For example, one character named Bird starts off as a troublemaker but learns to take responsibility for his actions and becomes more mature as the story progresses.
Another character, Cash, initially lacks self-confidence but learns to believe in himself and his abilities as he faces challenges and overcomes them.