what is soil.why is humus added to it
Answers
Humus is dark, organic material that forms in soil when plant and animal matter decays. When plants drop leaves, twigs, and other material to the ground, it piles up. ... Earthworms often help mix humus with minerals in the soil. Humus contains many useful nutrients for healthy soil.
Answer:
Soil is loose material which lies on top of the land. It has many things in it, like tiny grains of rock, minerals, water and air. Soil also has living things and dead things in it: "organic matter". Soil is important for life on Earth.
Humus is dark, organic material that forms in soil when plant and animal matter decays. When plants drop leaves, twigs, and other material to the ground, it piles up. ... Earthworms often help mix humus with minerals in the soil. Humus contains many useful nutrients for healthy soil.
Explanation:
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