Which of the following is true? A) Pentatonic scales are made up of seven unique notes

B) Pentatonic scales are never used in popular music

C) Pentatonic scales are often used in popular music

D) Pentatonic scales are rarely used in popular music

I'm dead lol: a professor was traveling by boat. on his way he asked the sailor: “do you know biology, ecology, zoology, geography, physiology? the sailor said no to all his questions. professor: what the hell do you know on earth. you will die of illiteracy. after a while the boat started sinking. the sailor asked the professor, do you know swiminology & escapology from sharkology? the professor said no. sailor: “well, sharkology & crocodilogy will eat your assology, headology & you will dieology because of your mouthology.