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The principal significance of the different climatic types to the student of geology lies in their influence on soil formation and on erosion. Each climatic environment places its own stamp upon the soils developed there, and each influenc...

Bedrock is the solid rock that is exposed at the surface or immediately underlies soil and loose surface debris. Regolith is the relatively thin covering of soil and unconsolidated rock waste that hides the bedrock in most are-as. Bedrock...