An important feature of dada art included rejecting artistic traditions in favor of
a. higher standards of composition and beauty.
b. explicit violence and sex.
c. cooperative, communal projects.
d. destruction and negativity.

"the idea of humanism is mostly adeptly reflected in renaissance art by a focus on the body itself, especially with sculpture, where many detailed portraits of the human body (such as the david) were created."

including the octave, the answer would 8 notes in a major scale with one note being played twice. ex) c major scale includes: c, d, e, f, g, a, b, c

notice that c is played twice

however, if you were to ask me how many different notes are in a major scale- the answer would be 7.