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प्रश्न
Explain, with the help of a diagram, the various layers of the land.
लघु उत्तर
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उत्तर
- Humus: Topmost layer, fertile layer formed by decomposition of remains of plants and animals. Immature
- Soil: Sand, soil, small stones, worms and insects.
- Layer of soil and small rocks: less soil and more rocks.
- Bedrock: main minerals are obtained from this layer; it determines the colour and texture of soil.
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