jeremiahmiami305 jeremiahmiami305
  • 03-10-2018
  • History
contestada

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

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andrewaguirre2082284 andrewaguirre2082284
  • 17-06-2019

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)

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emmiedelgado14 emmiedelgado14
  • 06-03-2020

Answer:

the cotton gin

Explanation:

apex

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