Emile Berliner's invention of ______ was significant because it allowed for mass reproduction of sound recordings and for labeling, which enabled the development of a star system. A) wax cylinders B) lamp black C) flat disks D) audiotape E) 33¹/₃ rpm records

Question

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Emile Berliner's invention of flat disks was significant because it allowed for mass reproduction of sound recordings and for labeling, which enabled the development of a star system. The other choices are not relevant to Berliner's invention.

Emile Berliner's Invention of ______ Was Significant Because It Allowed