Question

............... is a mineral based industry​

Answer 1

Answer:

Hence for each wall of the room _

We know that, a room consists of 4 walls. = 108 m². =₹ 1080. ∴ The cost of painting the wall of the room is ₹ 1080.

Answer 2

Answer:

Manufacturing industries that use minerals as raw material are called mineral-based industries. The iron and steel industry is the basic industry on which all other industries depend. ... The main raw materials used in the iron and steel industry are iron ore, coal and limestone.