MCQ
Soil is a mixture of:
  • A
    Minerals
  • B
    Dead and living organisms
  • C
    Air and water
  • All the above

Answer

Correct option: D.
All the above

Soil is the uppermost humus containing part of the Earth's surface, which can sustain terrestrial plant life.
Soil is composed of inorganic mineral particles $(45$ percent$),$ water $(25$ percent$),$ air $(25$ percent$),$ and
humus $(5$ percent$).$
Humus is composed up of dead and decaying organic material.

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