Topsoil is the uppermost layer of the soil composition rich in organic content where the plant is planted. It gets destroyed by plowing the land without replantation. Thus, option 3 is correct.
Plowing is the method of agriculture that removes the topsoil layer or the clods to sow the seeds and plant the crops. It is a planting technique that can destroy the topsoil by plantation and affect the organic matter and nutrients.
The topsoil is the most important layer of the soil as it supports the growth of the plants and is home to many microorganisms beneficial to the plants. If the seeds are plowed without replantation then the topsoil gets destroyed.
Therefore, plowing destroys the topsoil.
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