Geography, asked by prajeethtirumalasett, 7 hours ago

why is petroleum is called black gold

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Answered by amitbobbypathak

Answer:

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.

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