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Stack #221390

Weathering & Soil Formation

QuestionAnswer
a type of erosion that occurs when windblown sediments strike rocks and sediments, polishing and pitting their surface abrasion
occurs when chemical reactions dissolve the minerals in rocks or change them into different minerals chemical weathering
each layer in a soil profile horizon
dark-colored, decayed organic matter that supplies nutrients to plants and is found mainly in topsoil humus
mechanical weathering process that occurs when water freezes in the cracks of rocks and expands, causing the rock to break apart ice wedging
removal of minerals that have been dissolved in water leaching
twigs, leaves, and other organic matter that help prevent erosion and hold water and may eventually be changed into humus by decomposing organisms litter
physical process that breaks rocks apart without changing their chemical makeup mechanical weathering
chemical weathering process that occurs when metallic material is exposed to oxygen and water over time oxidation
mixture of weathered rock, decayed organic matter, mineral fragments, water, and air that can take thousands of years to develop soil
mechanical or chemical surface processes that break rocks into smaller and smaller pieces weathering
Created by: cvillah
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