Question
  1. Soil has various important component. Write them.
  2. Arrange the following rock particles which occur in soil in the increasing order. Silt, clay, gravel, sand.
  3. Observe the following figure. What does this figure show?

Answer

  1. The various important component of soil are air, water, rock particles, minerals, humus and living organisms like bacteria, fungi, worms (earthworm), rodents, insects (ant and beetle), etc.
  2. The increasing order of rock particles are,
Clay → Silt → Sand → Gravel
  1. The figure shows waste material like polythene bags, plastics, glass and metal objects are dumped which causes soil pollution.

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