Americas Amazon River is classified as Alfisols, moderately weathered soils. Fertile, productive soils, they are neither too wet nor too dry. The American South West soil is classified as Mollisols, dark, soft soils that have developed under grass vegetation, generally found in prairie areas. They share in common their execellent fertile soil formed under leafage, both have two strong mineral pillars, Alfisols: iron and aluminum, and, Mollisols; calcium and magnesium. 6. Mass wasting…
Words 576 - Pages 3