Question

what is know as black gold?

definition for black gold

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Answer 1

Answer:

Black gold is an informal term for oil or petroleum—black because of its appearance when it comes out of the ground, and gold because it made everyone involved in the oil industry rich. Oil from animal tallow and whales were used as lubricants since colonial times. ...

Answer 2

Answer:

Answer: Petroleum or crude oil is also called black gold because of not only colour but also due to its commercial values in the market. It is the source of running economy.