South American indigenous people built them from ropes and twine during the 7th century.
When ever King Henry the 8th wanted one to be build
the first bridge ever biult was your face
2012
Yes it was discovered in 1879?
wooden bridges
gold
No, bronze was one of the first alloys ever discovered.
Well that was the fist discovered cell membrane
it was discovered in the 1880s when Mark Mitchell found the first ever steel in Los Angeles near Nuketown
Hydrogen.The first discovered was probably lead or mercury, as they were known from ancient times.
Bridges have been built since the stone age, it is impossible to say where or when the first one was built.
Wood is the first discovered primary energy source. Some believe that Solar energy (as heat caused by sun light) is the first discovered primary energy source.