Which of the following was not a an important invention created at the turn of the 20th century

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asked Dec 10, 2019 29.4k views

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Kevser · Answer 1 · 2019-12-12T23:09:00+0000

Answer: radio

Explanation:Radio was not an important invention in the early 20th century. Instead it was developed by Heinrich Hertz in the 18th century. The cotton gin (APEX)

Which of the following was not a an important invention created at the turn of the 20th century

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