Author Marchman208 in English, 08.08.2018

Which scientific or technological advance didn't occur in the first fifteen years of the twentieth century? A) Albert Einstein's theory of relativity b) wireless communication across the Atlantic c) the creation of this internet d) the invention of the plane e) the mass production of automobiles

Answered by irinateleoaca

It's (c). I would say (b), too, but Morse code can be considered wireless if flashes are used to send messages.

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