Why are all agricultural activities done in the top soil with answer?
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It has the highest concentration of organic matter and microorganisms and is where most of the Earth's biological soil activity occurs. Four elements constitute the composition of soil. Those elements are mineral particles, organic matter, water, and air. The volume of top soil consists of 50 to 80 percent of these particles which form the skeletal structure of most soils. This composition allows the soil to sustain its own weight, and other internal matter such-as water and overlying landscape.
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because it contains many particles of sand, clay, Humus, moisture and air.
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