Coal is formed from the remains of (a) vegetation only (b) animals only (c) both vegetation and animals (d) neither vegetation nor animals

(a)Vegetation only

Coal is formed by the decomposition of large land plants and trees buried under the earth about 300 million years ago. Coal is formed from the remains of vegetation. It is formed due to the conversion of dead plants, which got buried 300 million years ago under the soil, due to high temperature and pressure.

  • It is mainly used to generate heat and electricity.
  • It is used in households and in industries to accomplish various tasks.
  • It is the cheapest source of power fuel.
  • The iron and steel industry depends heavily on fossil fuel for energy.

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