The chemical composition of soil in a certain area was found to differ from that of the bedrock beneath it. Which statement would best explain the
difference in chemical composition?
A. The climate, especially rain and extreme temperatures caused the
soil to develop
B. Water washed iron oxide from the A horizon to the Dhorizon
C. The soll layers were mature because a large amount of time had
passed
O D. Water wind and gravity transported weathered particles gifrock to
new locations