Answer:
Soil is the uppermost layer of the earth
Soil conservation are those practises that, help prevent loss of top layer of the soil from erosion or over usage and other factors.
Such practises include crop rotation, bush fallowing, etc.
Some of the different ways soil formation take place include:
1. Rocks, through weathering and natural erosion
2. Mixing of rock materials with organic debris, made possible by the decay of plants.
