The R horizon refers to
A) unweathered sediment or consolidated bedrock.
B) soils redeveloped through reclamation.
C) a zone of eluviation in the soil horizon.
D) the basic mapping unit of soils in an area.
Correct Answer:
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Q23: Which of the following is false regarding
Q24: White to pale hues in soils are
Q25: An individual unit of soil aggregates (a
Q26: Oxidation of minerals in the B horizon
Q27: A cation has a _ charge, and
Q29: Weathered bedrock or weathered parent material (regolith),
Q30: A roughly equal mixture of sand, silt,
Q31: Texture refers to _, whereas structure refers
Q32: B horizons tend to
A) accumulate humus.
B) accumulate
Q33: Which of the following is true of
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