oil
Oil was called black gold in the early 1900'2
Black Hills Gold!
Oil was called black gold in the early 1900'2
it is called a black fish with a gold stripe(:
It's not a crop but oil is called back gold.
iron
petroleum
Crude oil
cocoa is called black gold because tha is how they named it
Coal is often called black gold because, like gold, it is a valuable resource that is used in numerous industrial applications. It is also called black gold because it is a source of energy that has been historically essential for powering industries and generating electricity. Additionally, coal is valuable due to its abundance and economic significance in many countries.
Petroleum is often referred to as "black gold" because of its economic value and significance as a highly sought-after natural resource. Coal is not typically referred to as black gold.
Coal is sometimes called "black gold" because, like gold, it is a valuable natural resource that has been historically prized for its energy-producing properties. It has played a crucial role in powering industrialization and development worldwide.