Weathering

Weathering is the group of processes whereby rocks and mineral, on exposure to weather, change in character, disintegrate, decompose, and synthesize new compounds. It generally involves two stages or phases.

Factors Of Soil Formation

Five variables influence the formation and development of soils. These five variables are the factors of soil formation. They include climate of a region, living organisms, relief (topography), parent material and time. These variables are interdependent in that all the

Origin and Formation of Soil

Scientifically, soil is derived from rocks through a variety of physical, chemical and biological processes. These processes are known as weathering. The soils so formed bear resemblance, especially in their chemical make-up, to the rocks from which they originate.

Definition of Soil

Soil, which is the solid part of the earth's surface, is the major element of land. Through physical, chemical and biological processes, soil is derived from rocks. Although soil originates from rocks, it is essentially different from them in certain respects.