The red color of soil found in Georgia and other warm, humid areas is caused by
A.
physical weathering.
B.
the oxidation of iron oxides.
C.
the high amount of fixed nitrogen.
D.
humus being composed of organic compounds.
A.
physical weathering.
B.
the oxidation of iron oxides.
C.
the high amount of fixed nitrogen.
D.
humus being composed of organic compounds.