Answer:
The answer is <u><em>She takes it upon herself to discover its source.</em></u>
BraExplanation: i took the quiz Trust me i got 100% percent it would be great if i get brailny ;)
Two sentences joined with a coordinating conjunction and a comma form a compound sentence. If it were a complex, it would have a dash. If it were a comma splice, it would have a dash and a dash. If it were a run-on, it wouldn't have either, just a lot of and in it.
Hope this helps. :D
Answer:
There are three main verb tenses: past, present, and future. In English, each of these tenses can take four main aspects: simple, perfect, continuous (also known as progressive), and perfect continuous. The perfect aspect is formed using the verb to have, while the continuous aspect is formed using the verb to be.