as black as coal means that something is very very very very dark black
Black coal is a high-quality variety of coal.
Most coal is black, or greyish black.
Coal is Black gold
one is brown, and one is black. hahaha nahh, the black coal can produce less water than the brown with the same volume therefore black coal is more efficient.
Basically, coal is black and it is widely used inside our homes. The term "coal is a black gold" is just a simple metaphor.
(as) black as coal (as) black as coal Completely black; totally without light or color.
Black coal is a high-quality variety of coal.
Most coal is black, or greyish black.
Coal is Black gold
It means eyes, black like coal. Bitumen is the British term for coal.
one is brown, and one is black. hahaha nahh, the black coal can produce less water than the brown with the same volume therefore black coal is more efficient.
Anthracite is a form of coal, coal is primary carbon, and carbon is black.
Black
Basically, coal is black and it is widely used inside our homes. The term "coal is a black gold" is just a simple metaphor.
coal
Coal is the "black energy".
Simile: as black as coal.