Question

what is black gold ? where do we get ?​

Answer 1

Answer:

Black gold is a term applied to oil or petroleum, which is black when it comes out of the ground and is worth a great deal of money.

Explanation:

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Answer 2

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The Petroleum is called black gold because when the crude oil is extracted from the soil below, it is black in colour. Petroleum is very expensive like gold. Comparing its high value with gold in terms of properties and moneywise; it is regarded as black gold. Many components of crude oil have commercial importance.