Review EXAM 2 - Review Sheet for Exam 2 ENST 105 Exam 2...

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Review Sheet for Exam 2 – ENST 105 Exam 2 will cover ALL MATERIAL since the last exam, which means i n the Course Packet Lecture notes pages 60-93. The exam has 25 multiple-choice questions and 3 essays. Topics and Terms to Know Soil Profile Topsoil Subsoil Parent Material Master Horizons: O, A, E, B, C Bt horizon – “B” means accumulation of material in subsoil, “t” means the material accumulated is clay. Soil Taxonomy Soil Orders Entisols Inceptisols Gelisols Permafrost Vertisols Swelling-Cracking clays Andisols Volcanic ash Histosols Aridisols Mollisols Alfisols Spodosols Ultisols Oxisols Erosion: Two main agents of erosion: wind and water Types of water erosion: sheet, rill, gully, and stream bank Damages caused by erosion: on-site, off-site The process of water erosion: detachment, transport, and sedimentation Role of the raindrop Universal Soil Loss Equation- how it works. Methods to control erosion: Cover the soil with vegetation, mulch, and pavement Control the flow of water through diversions, waterways and terraces
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