How did janis joplin die?
a. was shot by accident in a gangster fight in the street
b. had cancer
c. heroine overdose

True answer is: C: Janis Joplin died from heroin overdose. Janis Joplin was an American singer and song-writer, and one of the most famous figures in psychodelic/acid rock during the 1960s. She started her carrier as a leader-singer of the band Big Brother and the Holding Company, and later, she continued solo-carrier with her own backing groups. She recorded four studio albums: Big Brother and the Holding Company, Cheap Thrills, I Got The Ol' Kozmetic Blues Again Mama! and Pearl. She was born in 1943, and died in 1970, at the age of 27, same as Jim Morison, Jimmy Hendrix, Kurt Cobain and Amy Winehouse. 

The linear perspective changed the quality of art because it gave art a sense of reality. it gave the illusion that the background and surroundings were actually close and/or far and a sense of depth. linear perspective change the quality of art following its birth the renaissance period as they want the art to be more realistic and they believe one way to achieve it is to use the method of linear perspective. it uses the principle of math to realistically portray space and depth in art.