Gold is rare, Gold is heavy, Gold is soft.
Bcause they are more expensive than steel and iron and also not as durable they could bend from the weight of cars or trucks On the assumption that you are not talking about dental bridges (which can be made with gold and silver), none of those metals are cheap enough to consider and all are too soft to support much of a load.
bridges are made to cross the rivers by train.
B/c they are too soft, weak and expensive.
Steel
Favorite materials for bridges include steel, aluminum, titanium, wood, stone, and reinforced concrete.
They arent used as much because we have new kinds of bridges that may be more efficient and that are stronger
Bi-State Vietnam Gold Star Bridges was created in 1932.
steel bridges are made out of steel OBVIOUSLY !!!
gold , diamond , and silver
Bcause they are more expensive than steel and iron and also not as durable they could bend from the weight of cars or trucks On the assumption that you are not talking about dental bridges (which can be made with gold and silver), none of those metals are cheap enough to consider and all are too soft to support much of a load.
yes, they arent real, but theres some ''monsters'' that live under bridges they are in fantasy books. its a word
because, although they may be nice, they probably arent made from gold or silver and anything other could irritate your ears.
bridges are made to cross the rivers by train.
Ancient Roman bridges were made for the same reason we make bridges today---to cross a river or any other geographical feature more easily.Ancient Roman bridges were made for the same reason we make bridges today---to cross a river or any other geographical feature more easily.Ancient Roman bridges were made for the same reason we make bridges today---to cross a river or any other geographical feature more easily.Ancient Roman bridges were made for the same reason we make bridges today---to cross a river or any other geographical feature more easily.Ancient Roman bridges were made for the same reason we make bridges today---to cross a river or any other geographical feature more easily.Ancient Roman bridges were made for the same reason we make bridges today---to cross a river or any other geographical feature more easily.Ancient Roman bridges were made for the same reason we make bridges today---to cross a river or any other geographical feature more easily.Ancient Roman bridges were made for the same reason we make bridges today---to cross a river or any other geographical feature more easily.Ancient Roman bridges were made for the same reason we make bridges today---to cross a river or any other geographical feature more easily.
Not, of course !
they arent made anymore they all died
stingrays are made of cartilage like from our ear arent they?