What makes soil a shelter for many living organisms?
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It is called the topsoil or the A-horizon. The uppermost horizon is generally dark in colour as it is rich in humus and minerals. The humus makes the This provides shelter for many living organisms such as worms, rodents, moles and beetles. The roots of small plants are embedded entirely in the topsoil
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Soil is a shelter for many living organisms because the soil is fertile. It contains nutrients for small organisms living inside it. These give energy to living organisms. Air, water, and minerals present in the soil also give enough energy to living organisms to sustain their lives.
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