science
Grade-4-
Easy

Question

Formation of coal takes place from________.

  1. Natural gas
  2. Limestone
  3. Sandstone
  4. Preserved plant material

hintHint:

The formation of coal takes place from preserved plant materials.

The correct answer is: Preserved plant material


    • The remains of plant materials are buried under the earth's crust.
    • The buried materials undergo a series of physical and chemical changes to form a solid material.
    • The solid material formed is called coal.  

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