MCQ
Soil is a mixture of:
- AMinerals
- BDead and living organisms
- CAir and water
- ✓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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