Her sketches are unusual because of their unusual perspective, radical use of color, and she uses unexpected subjects.

this sentence has an error in

a. verb tense.
b. parallelism.
c. punctuation.
d. modifiers.

The sentence stated above has an error in: B. parallelism. Parallelism is the use of identical grammatical form as to items of the same level of importance. 

Using parallelism, the sentence above should have been written this way:

Her sketches are unusual because of their unusual perspective, radical use of color, and unexpected subjects usage.

In this sentence, there is parallel structure in the use of adjective forms.

femininity is conveyed through bernice's personality. she doesn't act how the other girls act and everyone thinks she is weird. she learns how to act in a way that was considered femininely appropriate at the time. she becomes so popular but her attempts to be liked end up backfiring when she is pressured into bobbing her hair. the author wrote that bernice cut off her cousin's hair in revenge for tricking her to cut her hair. this was the authors way of trying to change the way feminine is defined and the way women are expected to act.