The two most important new technologies that enabled the development of the skyscraper were O the telephone and the telegraph. O the elevator and mass-produced steel. O the typewriter and the telephone.

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asked Dec 24, 2024 114k views

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The two most important new technologies that enabled the development of the skyscraper were

O the telephone and the telegraph.
O the elevator and mass-produced steel.
O the typewriter and the telephone.
O the streetcar and mass-produced steel.

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MacGucky asked

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FlowRaja answered Dec 24, 2024

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Answer:

The elevator and mass-producing steel.

Step-by-step explanation:

Tsangares answered Dec 27, 2024

by Tsangares

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