Why is coal often called ‘black gold’?
a)Coal is called Black Gold because --
1.It is generally black in color
2.It has the same importance in energy providing which the gold has in a economy
Thank u .
Why is coal often called ‘black gold’?
a)Coal is called Black Gold because --
1.It is generally black in color
2.It has the same importance in energy providing which the gold has in a economy
Thank u .