3. sean says that pronunciation is the way you form your words. steve says that enunciation is how you say each syllable. who is correct?

Sean is correct and Steve is wrong (enunciation is how you say the words). Did this help? :3

I'm not sure but it could be c ( not a 100% sure )

It can the reader to have a broader understanding of the point or main idea of a passage/essay. if you use words with similar meanings throughout a written work, it can show the reader that the words reflect the key idea of a passage. this can really you to understand what is going on, and reflect on some key ideas and phrases that were mentioned in said written work.i hope this !