Answer:
Iron and coal are the two basic ingredients for industrial development.
Step-by-step explanation:
- Only a sufficient provision of energy can bring in industrial development. This energy is generally derived through sources like coal and other fossil fuels.
- Coal is consumed more because it is the most efficient and the cheapest of all its fuel alternatives.
- Moreover, coal coupled with the availability of iron provides a boost to industrial development by providing firm setups and raw material to the upcoming industries.