Answer:
#4 besews the others have smutting to do with art
Explanation:
C. Keith Haring chose graffiti for creative expression
It was unconventional because its support structure was visible. It was visible because it was made of glass panels(I guess is the best way to explain it), it's truly a magnificent piece of art
He integrated things you see every day into nature
An example would be his famous painting, “The Persistence of Memory”