Question

what is known as the backbone of morden industry
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ANSWER
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Answer 1

Answer:

Iron and Steel

Explanation:

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Iron and Steel Industry is often called the backbone of the modern industry. Almost everything we use is either made of iron or steel or has been made with the tools and machinery of these metals. Ships, trains, trucks, and autos are made largely of steel.

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Answer 2

Answer:

IRON AND STEEL ARE BACKBONE OF MODERN INDUSTRIES