
To Choose: The correct option.

Explanation of Solution
Introduction:
An alloy is created from a mixture of two or more metals.
Steel is created from a mixture of iron and carbon. Other elements can also be added to steel to add desired properties. For example: Stainless steel is made from a mixture of iron, carbon and chromium. Stainless steel is resistant to rust and corrosion. Steel is mainly used due to high strength.
Conclusion:
Iron and carbon is combined to produce steel. Option D is correct.
Chapter 24 Solutions
Glencoe Physical Science 2012 Student Edition (Glencoe Science) (McGraw-Hill Education)
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