It consists of combustible black sedimentary rock composed of carbon and hydrocarbons.
Coal is considered a rock because it is formed from the remains of plant material that undergo a process called carbonization, where water and other gases are removed. Even though coal is primarily made up of carbon, it also contains varying amounts of other elements like hydrogen, oxygen, nitrogen, and sulfur.
Coal is not just a rock; it is a combustible sedimentary rock made up primarily of carbon, along with various other elements. When coal is exposed to heat in the presence of oxygen, a chemical reaction known as combustion occurs. This process breaks down the carbon molecules in coal, releasing energy in the form of heat and light. Therefore, coal burns due to the combustion process, which releases the stored energy within its carbon structure.
The youngest and softest coal is lignite. It is also known as brown coal and is formed from peat under moderate pressure and heat, making it less carbon-dense and softer compared to other types of coal like bituminous or anthracite.
Coal produces a lot of things like energys lights and fuel, some even runs EVERYTHING in your house!
"Clean coal" refers to technologies that reduce the environmental impact of burning coal for electricity generation, such as carbon capture and storage (CCS) to capture and store carbon dioxide emissions. However, the term is controversial as coal remains a major source of greenhouse gas emissions and environmental damage even with these technologies.
Coal is considered a rock because it is formed from the remains of plant material that undergo a process called carbonization, where water and other gases are removed. Even though coal is primarily made up of carbon, it also contains varying amounts of other elements like hydrogen, oxygen, nitrogen, and sulfur.
Coal is not a mineral. It is loosely considered to be a rock, even though it is made of organic material.
Because you can use trees for lots of things but coal is not because you can not use it for lots of things and it takes millions of years for coal to for by then every one will be gone
Around 770007766 Kilajoules is produced from coal even though it is anonymous because it is not 100% efficient even though it's not as reliable.
Coal is considered a nonrenewable resource, even though global supplies could increase (but only if we waited millions of years and did not use any more of the amount Earth contains now).
Coal mining was ceased in Iceland decades ago. Even when they were mined Icelandic coals were considered low quality due to how 'young' the land is.
They took all the coal that was in Callao. ... How did the Lady Wilma win the race, even though they didn't have any coal? They won the race because Praiseworthy suggested to use wood for fuel.
There is only one country in Australia, and that is Australia. It is both a country and a single continent. Australia is currently the world's fourth largest producer of black coal, the fifth largest producer of brown coal (even though it is ranked first in recoverable brown coal resources), and the largest exporter of coal.
Even though cuneiform is a form of writing it is considered how Mesopotamians communicate
yeah its still a fruit:)
no he was a doctor and even though he researched eye care for many years he was still considered a doctor
The X-15 was considered an airplane even though it flew near the limits of Earth's atmosphere.