In the 1920s,the Development of Practical Radio Communication Was Furthered

question 58

Multiple Choice

In the 1920s,the development of practical radio communication was furthered by

• A) the theory of modulation.
• B) the use of vacuum tubes.
• C) its ability to receive more than just simple pulses.
• D) both the theory of modulation and the use of vacuum tubes.
• E) All these answers are correct.

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Definitions:

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Charlotte Perkins Gilman

An American feminist, sociologist, and writer of the late 19th and early 20th centuries, known for her advocacy for women's rights and her seminal work, "The Yellow Wallpaper."

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