Question

Which Industryis often referred to as the backbone of modern industry and why?​

Answer 1

Iron and steel industry is often referred as the backbone of the modern industry because all the tools, machineries, equipments, material for construction, etc. are made up of either iron or its alloys.

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Answer 2

Answer:

Steel is called the backbone of the modern industry because almost everything we use is either made of steel or has been made with machinery or tool made out of steel. The steel industry is basically the feeder industry, whose products are the raw materials for other industries.