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What did early civilization use for bridges?
== In the earliest days such obstacles had to be walked around. When boats came into use, they were used to ferry people and trade. The earliest bridges were probably built of ropes and were only capable of short spans and light loads. == Fallen trees or emplaced logs.
What are steel bridges made of?
steel bridges are made out of steel OBVIOUSLY !!!
Where was the earliest cello made?
The earliest known cello was made in Italy in the mid 1500s.
Why bridges are made?
bridges are made to cross the rivers by train.
Why were ancient Rome bridges made?
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.
What were the earliest erasers made of?
A sponge!
What were the earliest flags made of?
1
When was the earliest ferrarri made?
1880
What bridges are in Antarctica?
An innumerable number of snow bridges hide deep crevasses, otherwise, there are no man-made bridges on the continent -- nor are there any roads.
What are bridges normally made from?
iron and steel
What does it mean by tarred bridges?
'Tarred bridges' presumably means what it says: bridges that have been coated with tar. This presupposes that the bridges are made of wood, and the tar has been applied as a preservative and waterproofing treatment.
What were the first bridges and what were they made from?
We can reasonably infer that the first bridges were logs, thrown across narrow streams.
