saylorrain saylorrain

19-12-2016
Physics

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in the 1800's, most buildings and bridges were massive structures made of what?

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DaNarwhalAlyssa DaNarwhalAlyssa

19-12-2016

In 1800's iron was starting to replace wood and in the late 1800's steel was starting to replace iron I think

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LillyPrince LillyPrince

19-12-2016

I would say wood, iron, or steel (remember in the 1800's people weren't advanced as people are today)

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