Question

is coal known as black gold? if yes why?

Answer 1

Petroleum is scarce and hard to find in the Earth’s subsurface. A number of complex studies are carried out to find petroleum accumulations.

Petroleum is very costly to extract. Huge amounts of money and sophisticated equipment are dedicated to bringing out petroleum from the sub-surface (once it is found).

Petroleum is very valuable. Crude oil is the virtual backbone of our modern lives. We are virtually surrounded by products that have been produced from crude oil, in one manner or another.

Some of the common objects made from crude oil.

Since crude oil is scarce and highly useful, its value is comparable to that of gold. Combined with the value and its characteristic color black, oil attained the nickname of “Black Gold”.

Answer 2

hey mate here is your answer
yes because they handle a lot of money.
hope it's helpful