A. Diamond.
C. Black Coal.
D. Kerosene Energy.
Brief Facts about White Coal:
Hydroelectricity also known as White Coal. White coal is in fact of two kinds of coal. The first one is made of wood that is fired and processed in a specific way in some kind of oven. It is different from the Charcoal that is a carbonized wood. White coal was used in Europe to melt lead ore in 16th and 17th century. Further, white coal is also currently used for many purposes. Additionally, white coal is better known as biomass briquettes that are made from agro-forestry waste. One can use it as ulternative of fossil fuels.