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Wheathering and Soil

QuestionAnswer
uniformitarianism A gap in the geologic record that shows where rock layers have been lost due to erosion.
erosion An igneous rock layer formed when lava flows into Earths surface and hardens.
weathering The chemical and physical processes that break down rock and other substances.
mechanical weathering The type of weathering in which rock is physically broken into smaller pieces.
chemichal weathering The process that brakes down rock through chemical changes
abrasion A grinding away of rock by other rock particales carried in water ice or wind.
frost wedging Process that splits rock when water seeps into cracks then freezes and expands.
oxidation A chemical change in which substance combines with oxygen, as when iron oxidizes forming rust
permeable charicteristicof a material that contains connected air spaces so pores that water seeps though easily
soil the loose wheathered material on earth's surface in which plants can grow.
bedrock Rock that makes up Earths crust; also the soil rock layer
humus
fertility
loam
pH scale
soil horizon
topsoil
decomposer
natural resource
soil conservation
crop rotation
contour plowing
conservation plowing
Created by: mzapinski002
 

 



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