Question

what is also called black gold​

Answer 1

Answer:

Crude oil...

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. Prior to the mid-19 th century, oil from animal tallow (fat) and whale blubber was used as a lubricant and fuel.....

Answer 2

Answer:

crude oil is also known as Black gold