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Tag Archives: soils

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Weathering & Soils

ScienceBy William Anderson (Schoolworkhelper Editorial Team)January 29, 20111 Comment

After rocks are formed, they are weathered when exposed at the surface; this prepares material for transport by erosional processes in the rock cycle two main types of weathering include mechanical (disintegration) and chemical (decomposition) that act together and enhance the effectiveness of each other Mechanical: reduction of rocks to smaller pieces, includes: Frost wedging…

Introduction to Archaeology

HistoryBy William Anderson (Schoolworkhelper Editorial Team)October 21, 2010Leave a comment

Archaeology involves controlled methods of survey and excavation, aimed at recovering objects and remains which provide information about the structures and activities of people in the past. The relationships of these objects and remains can be reconstructed, and aspects of their cultural meaning determined. Since so much of the material which survives the passage of…

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