What does the deep red color in this soil profile suggest?
A)Magnesium is present because the area was recently submerged beneath a shallow sea
B)Glaciers have scoured the landscape
C)Iron-bearing minerals have been leached downward
D)The soils are water logged most of the time
E)There is an extreme amount of organic material throughout the profile

Question

What does the deep red color in this soil profile suggest? 
A)Magnesium is present because the area was recently submerged beneath a shallow sea 
B)Glaciers have scoured the landscape 
C)Iron-bearing minerals have been leached downward 
D)The soils are water logged most of the time 
E)There is an extreme amount of organic material throughout the profile

Quizplus · Accepted Answer

The deep red color in the soil profile suggests that iron-bearing minerals have been leached downward. This process is common in well-drained, oxygen-rich soils where iron oxides (such as hematite and goethite) are formed as a result of weathering.

What Does the Deep Red Color in This Soil Profile