Introduction
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Weathering refers to the physical and chemical changes produced in rocks at or near the earth’s surface leading to disintegration and decomposition of the rock matter.
-Soil formation comprises of two different processes; first, the disintegration of solid rock and secondly, the changes occurring within the loose material as time passes. This later process is also called soil development but the two processes occur simultaneously.
-Soil formation is therefore used to mean production of unconsolidated material by weathering process and soil profile development which are the changes involved in development of horizons. Horizons tell much about the characteristics of a soil.
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