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.
A chuckwalla, Sauromalus ater. Chuckwallas are large herbivorous lizards living in the southwestern
Southernmost reindeer: a South Georgian reindeer with velvet-covered antlers
Urinary tract infection. A UTI is characterized by fever, lumbar or abdominal pain, and pain or burn
Anatomy Of Large Intestine
Ethnic Groups of Eastern North America, 1750
North America and the Global Economy