Most of our coal was formed about 300 million years ago, when much of the earth was covered by steamy swamps. As plants and trees are died , Their remains sank to the bottom of the swampy areas, accumulating layer upon layer and eventually forming a soggy, dense material called Peat. Different types of coal are listed below:
- Peat
- Lignite
- Sub-bituminous coal
- Bituminous coal
- Anthracite
- Graphite
- Coal is one of the most abundant sources of energy, More than oil and natural gas.
- Easily available
- Coal is inexpensive when compared to other fossil fuel
- Burning coal can produce useful by-products that can be used for other industries or products.
- Using coal reduces the dependence on oil.
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