Answer to Question 1
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).
Answer to Question 2
The calcium is delivered by the wind as dust particles and in rainfall.
Resource partitioning among five species of warblers feeding in North American spruce trees.
(a) Feeding by bear on salmon results in large allochthonous inputs of nutrients into (b) the forest
Large Wolf Spider with young in Michigan
Several species of squirrels have melanistic phases. In large parts of United States and Canada, the
Illustration of a large aneurysm in the abdominal aorta that has ruptured.
Cirrhosis. Cirrhosis is characterized by a chronic deterioration of the liver, replacing healthy cel