The highest mountain in the world is Mount Everest. Its peak rises to 8,848 m (29,028 ft 9 in) â the highest point in the world.
The objective of proximate analysis indicates the percentage by weight of the Fixed Carbon, Volatiles, Ash, and Moisture Content in coal. The amounts of fixed carbon and volatile combustible matter directly contribute to the heating value of coal.
The layers of coal are called peat, lignite, subbituminous, bituminous caol, and anthracite. Peat being the most inexpensive and anthracite being the most valuable. Most coal â¦ in use is bituminous.    Another answer: A layer of coal in a mine is called a coal seam. 7 people found this useful.eat being the most inexpensive and anthracite being the most valuable. Most coal â¦ in use is bituminous.     Another answer: A layer of coal in a mine is called a coal seam. 7 people found this useful.