Final answer:
In the chapter titled "Rainbow" from "Inside Out and Back Again," Hà notices a rainbow created by a rain shower, evoking memories of Vietnam and symbolizing her diverse experiences as an immigrant.
Step-by-step explanation:
In the chapter entitled "Rainbow" from the book Inside Out and Back Again, Hà notices a rain shower that has created a rainbow, which reminds her of Vietnam. This moment is significant as rainbows symbolize the dispersion of sunlight, acting as an illustration of diversity and hope, similar to her own experience as a Vietnamese immigrant in a new country. The colors in the rainbow, with red on the outside and violet on the inside, reflect the spectrum of experiences she navigates in her new life.