Why are large areas of North America covered with immature soils characterized by weakly developed horizons?
What will be an ideal response?
The immature soils with weakly developed horizons occur where the landscape is unstable and erosion removes any regolith before it chemically weathers into soil. These soils are most obvious in mountainous areas where erosion rates are high and along large-river floodplains where deposition rates are high. Immature soils also occur on areas that continually get fresh deposits of sediment or volcanic material (lava or ash).
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In the past few hundred years, global trade and tourism have in many ways rendered natural barriers ineffective, allowing non-native species to travel vast distances.
Answer the following statement true (T) or false (F)
Transform plate boundaries are marked by
A) volcanic island arcs B) consumption of oceanic crust C) creation of oceanic crust D) two plates sliding relative to one another
Explain the types of landscape features formed by valley-glacier erosion
What will be an ideal response?
What two kinds of fog are the result of adding moisture to a layer of air?
A) advection and radiation B) radiation and upslope C) upslope and steam D) steam and frontal