The last movement of bach's cantata no. 140 is what texture?
a. a ritornello
b. atonal
c. homophonic
d. polyphonic

the correct answer for this question is:

it is system invented in 1872 that produced the first illusion of movement. basically it was a disk with a series of drawings around the edge, showing the same object in slightly different poses. when it was spun, it created the illusion of movement.

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