B horizons are often ________ in color because of ________.
A) dark; accumulation of humus
B) dark; it is made of dark colored, mafic minerals
C) reddish or yellowish; the minerals they contain are often chemically oxidized
D) reddish or yellowish; the minerals they contain are often chemically reduced

Question

Quizplus · Accepted Answer

B horizons are often reddish or yellowish in color because the minerals they contain are often chemically oxidized. This leads to the formation of iron and aluminum oxides, which give the soil its characteristic color.

B Horizons Are Often ________ in Color Because of ________

B Horizons Are Often in Color Because of