Deep Soils Are Characteristic of Tropical Regions Whereas Thin Rocky

Deep soils are characteristic of tropical regions whereas thin rocky soils are characteristic of high latitudes.This is a natural demonstration that ________.

A) chemical wreathing rates are much higher in the tropics than high latitudes
B) physical weathering and erosion rates are higher at high latitude,removing soil faster than it can form
C) all of the high latitude regions lost their soil in recent times
D) humans living at high latitudes have destroyed the soils by bad farming practices