What is
humus class 7th science
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Humus is dark, organic material that forms in soil when plant and animal matter decays. ... The thick brown or black substance that remains after most of the organic litter has decomposed is called humus. Earthworms often help mix humus with minerals in the soil. Humus contains many useful nutrients for healthy soil.
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Answer: Humus. Soil is a dark brown (or black) solid material which is a mixture of rock particles of various sizes and decayed plant and animal matter called humus. Soil also contains air, water and countless living organisms.
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