Landforms http://www.edu.pe.ca/southernkings/glacierjf.htm Landforms are natural features of the landscape, natural physical features of the earth’s surface, for example, valleys, plateaus, mountains, plains, hills, loess, or glaciers. Valleys A valley is…
http://www.earthwormsoc.org.uk/earthworm-information/earthworm-information-page-3 Soil structure Earthworms have been called ‘ecosystem engineers’. Much like human engineers, earthworms change the structure of their environments. Different types of earthworms can make both horizontal and vertical…
http://broome.soil.ncsu.edu/ssc012/Lecture/topic8.htm Physical Properties Features of the soil profile and the soil horizons are often described in the field in terms of the soil’s physical properties. Horizons are defined based on…