Final answer:
Raji's childhood dream was to be a dolphin trainer, but she became interested in engineering due to a guest speaker in her biology class. She had good grades and received a scholarship to study biology and chemistry in college.
Step-by-step explanation:
Raji's childhood dream was to be a dolphin trainer.
She loved biology and chemistry classes in high school, but was undecided about her college major.
However, a guest speaker in her high school biology class encouraged her to consider an engineering career, which combined biology and technology.
With her good grades, Raji received a college scholarship and pursued her interest in biology and chemistry.