Which category includes iron-based materials such as iron and steel?

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Multiple Choice

Which category includes iron-based materials such as iron and steel?

Explanation:
Ferrous materials are defined by containing iron. Iron and steel fit this category because steel is an alloy of iron (and carbon and other elements), so any material that includes iron is described as ferrous. The other options don’t match: non-ferrous means metals that do not contain iron, composite refers to a combination of materials, and alloy is a broad term for any mixture of elements (including non-iron alloys), not specifically about iron content.

Ferrous materials are defined by containing iron. Iron and steel fit this category because steel is an alloy of iron (and carbon and other elements), so any material that includes iron is described as ferrous. The other options don’t match: non-ferrous means metals that do not contain iron, composite refers to a combination of materials, and alloy is a broad term for any mixture of elements (including non-iron alloys), not specifically about iron content.

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