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Arguably one of the most important inventions of the 20th century was A) the transistor. B) air conditioning. C) the vacuum cleaner. D) radio broadcasting.

Arguably one of the most important inventions of the 20th century was A) the transistor. B) air conditioning. C) the vacuum cleaner. D) radio broadcasting.
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Arguably one of the most important inventions of the 20th century was A) the transistor. B) air conditioning. C) the vacuum cleaner. D) radio broadcasting.

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User DrDamnit
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1 Answer

6 votes

Answer:

A. The transistor :)

Step-by-step explanation:

answered
User Hynekcer
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