The soil shown in the photograph below has a reddish tint,which may mean that
A)it has abundant aluminum and/or iron oxides.
B)it contains abundant organic matter.
C)it has been waterlogged at some point.
D)there are salts or other minerals that have been deposited by the evaporation of water.

Question

The soil shown in the photograph below has a reddish tint,which may mean that 
A)it has abundant aluminum and/or iron oxides. 
B)it contains abundant organic matter. 
C)it has been waterlogged at some point. 
D)there are salts or other minerals that have been deposited by the evaporation of water.

Quizplus · Accepted Answer

The reddish tint of the soil suggests the presence of iron and/or aluminum oxides, which impart this color to the soil. These types of soils are known as ferric soils and are common in areas with high rainfall or moisture, where the minerals are able to form and accumulate. The other options are less likely to be the cause of the reddish tint in the soil.

The Soil Shown in the Photograph Below Has a Reddish