What type of figurative language is observed in the following sentence? “so now della’s beautiful hair dell about her rippling and shining like a cascade of brown waters”

Simile. In the sentence "Shining like a cascade of brown waters" It compared her hair to water and used the word "like"

part a.   = c.)

part b. = a.)

explanation:

it provides a unique and personal perspective on a significant historical event.