A). They were made using heavy, dark outlines and D). They show figures with long limbs and faces and are similar in style to paintings by EL Greco are your answers .-.
Do, do, re,mi, fa, sol, la, sol, fa, mi, re, re, mi, fa, sol, la, la, sol, fa, mi, mi, re
Hope that helped
Answer: See attachment.
Explanation: Start on F, end on F. Sharps in front. 13 notes.
1) plagal
2) this can be debated everywhere because it depends on what "makes sense" I think it is a phrase but it could just as easily be a measure. a period would be too long and a cadence, while making sense, is a cadence, it ends a phrase. The answer the answer key is looking for will probs be a phrase.
3) phrases, period (answer D)
4) A: Authentic
hope his helps! good luck with the rest of Music Theory!