Steel is so sturdy it is indispensable to the civil and manufacturing industry. Metal smelting industries refine iron to make steel, a hard ore that combines carbon and iron. This makes the ore an affordable material for industrial purposes.Īs per the Royal Society of Chemistry, over 90% of all industrial metal refining centers on iron. It is the most abundant metallic ore on earth. It quickly corrodes on exposure to high temperatures and moist air. In industry, it is the cornerstone of the steel industry.Īs an ore, iron is grayish, shiny, hard, and brittle. It is a component of blood, sustaining life by carrying oxygen in living cells.Īs a mineral, it nourishes plants. Iron is a vital building block of life on earth. To answer this question definitively, we need to define what iron is.
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