contestada

Paul’s company commissioned some geological studies on some undeveloped arable land. The studies found coal deposits but they were estimated to lie at around one thousand feet or more below the surface. What type of coal did they find?
A.
lignite
B.
anthracite
C.
bituminous
D.
subbituminous

Respuesta :

Your answer is B.

Anthracite

Answer: B.  anthracite

Explanation:

Coal mining is a valuable and economic process which is initiated by mining or drilling the ground. Anthracite is the form of coal which can be found at around thousand feet or more below the surface of earth crust. It is hard coal, which remains compact and has a submetallic luster. It exhibit highest of the carbon content, also exhibit small amount of impurities and high density as compared to all varieties of coal.