Which scientific invention gained enormous popularity in the early twentieth century and was used by almost half of Americans?

A. telephone
B. radio
C. computer
D. Internet
E. light bulbs



Answer :

Final answer:

Radios gained enormous popularity in the early twentieth century, being used by almost half of Americans.


Explanation:

Radio gained enormous popularity in the early twentieth century and was used by almost half of Americans. Radios, being less expensive than telephones, were widely available by the 1920s, marking a significant shift in mass communication.


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