Answer :

Final answer:

Steel is primarily composed of iron and carbon along with other elements. Steel's strength and hardness make it essential in building construction.


Explanation:

All steels are alloys that contain a combination of iron and carbon. Steel is a family of alloys of iron with carbon or various metals, with most modern structures supported by a steel skeleton due to its strength and hardness.


Learn more about Alloys and Elements here:

https://brainly.com/question/30578561