Answer:
This rotting dead matter in the soil is called humus. Below the layer of humus, there is a clear water level which contains dissolved part from the soil. Below water layer, there are layers of clay, sand, gravel and stones.
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3Answer:
Gravel is a kind of tiny stones.The amount of gravel present in a good top-soil is very small. In a good top-soil, gravel is present in very small amount.The main rock particles present in the top-soil are sand, clay and silt. So, depending on its composition, a soil can be classified as sandy soil, clayey soil or loamy soil.
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juicy2025
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