Color and soil chemistry: Near the top of the soil column, organic matter makes soil colors ______________. A: darker, due to black humus B: lighter, due to white humus C; redder, due to decaying leaf pigments D; more yellow, due to decaying leaf pigments
Color and soil chemistry: Near the top of the soil column, organic matter
makes soil colors ______________.
A: darker, due to black humus
B: lighter, due to white humus
C; redder, due to decaying leaf pigments
D; more yellow, due to decaying leaf pigments
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