how is coal formed

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How is Coal Formed?The formation of coal takes millions of years,which is why it is an exhaustible and non-renewable natural resource.It was formed around 300 million years ago when the earth was covered with swampy forests.When plants in these forests- mainly trees,mosses,ferns,and reeds died,they fell into the swamps.More items…

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  • How is coal formed from plants?

  • Heat and pressure produced chemical and physical changes in the plant layers which forced out oxygen and left rich carbon deposits. In time, material that had been plants became coal. Coals are classified into three main ranks, or types: lignite, bituminous coal, and anthracite.

  • What is the history of coal?

  • Coal formed millions of years ago when the earth was covered with huge swampy forests where plants – giant ferns, reeds and mosses – grew. As the plants grew, some died and fell into the swamp waters. New plants grew up to take their places and when these died still more grew.

  • What environments or conditions under which these coals were formed?

  • The environments or conditions under which these coals were formed: anthracite coal, bituminous coal, lignite? Coal formed millions of years ago when the earth was covered with huge swampy forests where plants – giant ferns, reeds and mosses – grew. As the plants grew, some died and fell into the swamp waters.

  • What is the main source of energy in coal?

  • It is composed mostly of carbon and hydrocarbons, which contain energy that can be released through combustion (burning). Coal is the largest source of energy for generating electricity in the world, and the most abundant fossil fuel in the United States. Fossil fuels are formed from the remains of ancient organisms.

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