Oil is called Black oil because it is really valuable and you use it for many things it is for some people really like thy found Gold.
So it is called Black Gold
Oil is the natural resource that is called "black gold."
Because oil is very expensive
"Black gold" means oil.
oil
Gold
It is Gold.
California Gold Rush (1848-1855)
Africa has large quantities of natural resources that include oil, diamonds, gold, cobalt, uranium, petroleum etc. Lot of the natural resources are still unexplored.
gold's natural color is gold
coal
Yes gold is a natural resource of Canada
it was called the land of gold because Nubia was filled with gold that was there natural resource.
iron
it is found in a rock
... yes
gold
the answer is........ the early kush was influenced by cultures to the south.
gold
gold
yes
Gold qualifies as such.