Answer:
1. Middle C
2. Two staves of five lines
3. Bass Clef
4. Another staff below it
5. The treble clef is also called the “G clef” because the symbol at the beginning of the staff
6. The Treble and Bass clefs
7. They indicate the pitch of written notes
8. Every space or line on the staff is where you put a note at the higher up the staff the higher the note.
9. The staff is the foundation upon which notes are drawn.
Answer:
The answer is both. Despite most of Duchamp's work was a sort of spoof (including "N*ude Descending a Staircase"), the consequences of his trajectory represent a critical watershed in the History of Art.