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Question
Which of the following is not required for the formation of coal?
Which of the following is not required for the formation of coal?
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Solution
The correct option is C Presence of oxygen
Carbonization of dead plants and animals does not happen in the presence of oxygen. This is the procedure that takes place inside the earth's crust under high pressure and temperature.It is believed that millions of years ago, the ground below the forests was split open by natural forces such as earthquakes and volcanoes.
The forests got buried under the surface of the earth. Thus, the plants had no contact with oxygen. Successive layers of sediments sealed the buried plants. Over millions of years, these deposits were subjected to tremendous pressure and heat which finally transformed them into coal.
Option C is correct.
Carbonization of dead plants and animals does not happen in the presence of oxygen. This is the procedure that takes place inside the earth's crust under high pressure and temperature.
It is believed that millions of years ago, the ground below the forests was split open by natural forces such as earthquakes and volcanoes.
The forests got buried under the surface of the earth. Thus, the plants had no contact with oxygen. Successive layers of sediments sealed the buried plants. Over millions of years, these deposits were subjected to tremendous pressure and heat which finally transformed them into coal.
Option C is correct.
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