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Choose the correct answer for the question.

All steels are alloys that contain a combination of iron and:

A) copper.
B) silicon.
C) boron.
D) carbon.


Sagot :

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.


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