Coal began to replace the wood in the 1800s because the wood became scarce in some places. in the 1900s coal replace wood as a chief energy source because of its many used such as the fuel for steam engines which powered the many railroad engines popular during the period, and fuel for the steam turbines used in the production for electricity.
Not sure if this will answer your question, but I'll give it a shot. It's less about the fact that is is coal and more about the fact that coal gives off heat. When coal was first being used as a heat source, it was cheaper than wood and there was a lot of it. So really the origin of the energy is in the heat that the coal generates when on fire and less about the coal itself.
Possibly 3,000 to 4,000 years ago. Wow. In funeral pyres. In the second century (100 AD) coal is mentioned as a heating source in England. See links.
coal in the western areas has a lower energy content
how has coal mining changed over time
Zheng He was the one who had coal. He and his father, the emperor of China, and his uncle ,Samuel had created coal together on a farm in China.
Yes,coal is a source of energy................
Coal is the dirties nonrenewable energy source
coal tar
why do you think coal is the most energy source we are going to use in the future
Coal is an energy source.
the original source of energy for both coal and wind is the sun.
No, coal is not an alternative energy source. "Alternative" energy sources means energy sources other than fossil fuels (coal, oil, and natural gas).
would coal be a good alternative energy source for louisiana
No. coal is a source of energy collected from the earth. It is a form of oil that is not finished yet.
coal
Yes, it is. Because it is an energy source of heat.
Coal is a source of energy but i dontknow about all of them.