Question

how coal is formed ?​

Answer 1

Answer:

Coal is mostly carbon with variable amounts of other elements; chiefly hydrogen, sulfur, oxygen, and nitrogen. Coal is formed when dead plant matter decays into peat and is converted into coal by the heat and pressure of deep burial over millions of years.

Explanation:

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Answer 2

Formation Of Coal :-

Coal was formed under the Earth 's surface around 300 million years ago. The dense Forest of Earth got buried under the soil due to earthquake and volcanic eruptions. They got compressed under the layers of soil. Rising temperature under the earth converted these dead bodies into a soggy dense material peat.

Formation of peat is the first step in the formation of coal. Peat is a soft, brown substance that is made up of 30% carbon.

The whole process of conversion of dead bodies of plants and animals into coal is known as carbonisation gradual changes in the physical and chemical properties of coal to respect temprature.

Notes !

• Pressure and time is called coalification or metamorphosis of coal.
• Coal is extracted from the beneath the Earth 's surface in coal mines.