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which one of these bridges has been made the first to the last, Arched bridge, suspension bridge , wood bridge, and irod bridge

2007-02-20 08:57:37 · 1 answers · asked by Anonymous in Science & Mathematics Physics

1 answers

1. wood bridge (drop a trunk of a tree across and you have a wooden bridge. however timbers where available and that was a material of choice)
2. suspension bridge ( Suspension bridges were built by relatively primitive cultures)
3. arched bridge (Romain's used arched structures extensively)
4. iron bridge (150 - 200 years ago was a staple)

2007-02-22 06:34:29 · answer #1 · answered by Edward 7 · 0 0

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