Which of the following imports has increased over the past 6 years?

Question- Which of the following imports has increased over the past 6 years?

Explaination-Coal is used as a major fossil fuel for the production of electricity as it is the least expensive fossil fuel. Other uses of coal include are use in cement industry, steel production, and as a source of liquid fuel. That is why, 'import of coal has increased over past six years as compared to other energy sources.'

Answer- Thus, the correct answer is option A). coal

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