Not sure what graph you’re talking about but i know that when you play an instrument the pitches are different regarding the note and tone you play
Charles moore's piazza d' italia incorporates a/an __________ architectural style.
a. international
b. postmodern
c. baroque
d. modern
Answer. : b. Postmodern
The mid -1900’s was when it’s began to increase
Actually you put the right answer in the question.