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soils (soil is the thin layer of loose material on earths surface,…
soils
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humus is the dark park partly decayed organic matter found in soil .it is produced from the remains of dead creatures and plants
mineral matter is the biggest ingredient in soil.it consists of the remains of rocks that have been broken down into smaller particles by weathring
water helps to bind the soil particles together water is important for plant growth because is contains dissolved minerals .
living organisms soil is home to creatures such as earthworms woodlice and slugs it is also home to millions of tiny creatures
air fills the pores or spaces between the mineral particles in the soil. air contains oxygen and nitrogen.
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