Question

1.
Why is iron used in the construction of buildings, bridges, railway lines etc.?​

Answer 1

Answer:

Because the tensile strength of Iron is far greater than any other material which can be used as a Building material. ... Its tensile strength is more than Iron. So it is also used as a building material.

Answer 2

Because the tensile strength of Iron is far greater than any other material which can be used as a Building material.

Its tensile strength is more than Iron. So it is also used as a building material.