Coal is a form of carbon resulting from great pressure and heat applied over a long time to the remains of plants that lived during the carboniferous period.
Stone is a hard mineral or combination of minerals that was formed wither by the cooling of volcanic erruptions or by the accumulation and compression of objects over a geologic time scale.
Since coal is made of carbon, it will burn and is a good fuel source. Stone is made of non-carbon minerals and will not burn.
charcoal is a half burned wood where as stone like coal is a mineral found naturally.
These are same
Obsidian has a higher luster(shinier) than coal, coal is organic, and coal is sedimentary and obsidian is igneous
peat is soft and the others aren't
Lignite is a inferior grade coal due to less cv and carbon content as compare to that of bituminous coal.
charcoal is a half burned wood where as stone like coal is a mineral found naturally.
These are same
coal, coal,
Obsidian has a higher luster(shinier) than coal, coal is organic, and coal is sedimentary and obsidian is igneous
peat is soft and the others aren't
difference between traditional sources of energy and coal
coal in the western areas has a lower energy content
coal in the western areas has a lower energy content
coal in the western areas has a lower energy content
Lignite is a inferior grade coal due to less cv and carbon content as compare to that of bituminous coal.
The "Sorcerer's Stone" and "Philosopher's Stone" refer to the same object in two different editions of the first Harry Potter book by J.K. Rowling. In the UK version, it is called the "Philosopher's Stone," while in the US version, it is called the "Sorcerer's Stone." The stone is a mythical substance that has the power to grant immortality.
one is brown and black but one is more efficient, guess which one ;)