______ are those which supply raw materials to manufacture other goods e.g. iron and steel and copper smelting, and aluminium smelting.

A. Consumer Industries

B. Heavy Industries

C. Small scale industry

D. Basic or key industries



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Davneet Singh

Davneet Singh has done his B.Tech from Indian Institute of Technology, Kanpur. He has been teaching from the past 13 years. He provides courses for Maths, Science, Social Science, Physics, Chemistry, Computer Science at Teachoo.