Caliche is a ____.
A) layer of silica cement within a pedalfer
B) layer of precipitated calcium carbonate in horizon B
C) layer of rock between soil layers C and D
D) deposit formed in alkali soils
E) light colored layer of unstable minerals
Correct Answer:
Verified
Q18: Salinization occurs when the concentration of salts
Q19: Organisms contribute to chemical weathering by _.
A)mixing
Q20: When solution takes place, the ions of
Q21: In the Northern Hemisphere, north-facing slopes _.
A)will
Q22: Clay particles in soil are important in
Q24: A measure of hydrogen ion concentration is
Q25: Some types of bacteria are extremely important
Q26: Rills are _.
A)steep slopes where soils form
Q27: Observed in a vertical cross section, soil
Q28: The difference in elevation between high and
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