The answer is parallelism.
The subject of the sentence is her sketches. Also at the beginning of the list it says their unusual perspective so you have to continue using plural pronouns.
The sentence should read: Her sketches are unusual because of their unusual perspective, radical use of color, and their unexpected subjects.
Answer:
direct object
Explanation:
the first one is a direct object
Answer:
Venus
Explanation:
it is capitalized even if it's not at the beginning of a sentence
Wizard, if you're talking about computer software
