Humus

Abrasion Acid Rain Alluvial Fan Beach Bedrock Chemical Weathering Continental Glacier Creep Deflation Delta Deposition Drainage Basin Erosion Exfoliation Flood Plain Glacier Gully Ice Wedge Kettle Landslide Loess Longshore Current Mass Movement Meander Mechanical Weathering Moraine Mudflow Oxbow Lake Oxidation Permeable Plucking Rill Runoff Sand Dune Shoreline Soil Soil Conservation Soil Horizon Soil Profile Till Valley Glacier Weathering