The colors of soils in dry climates are frequently:
A) blue
B) black
C) gray
D) white
Correct Answer:
Verified
Q7: Positively charged plant nutrient ions are called:
A)loams
B)bases
C)horizons
D)silts
Q8: Broken bedrock is called:
A)laccolith
B)batholith
C)cocolith
D)regolith
Q9: The inorganic material base from which soil
Q10: The soils of boreal forests are typically:
A)yellow
B)black
C)gray
D)orange
Q11: The key factor in determining how the
Q13: Soil texture is important because it influences
Q14: Red soils are usually high in:
A)iron
B)humus
C)calcium carbonate
D)salt
Q15: A mixture of particle sizes is called:
A)loam
B)sand
C)clay
D)silt
Q16: Soil acidity can be reduced by treating
Q17: The finest soil particle sizes are called:
A)peds
B)sand
C)colloids
D)silt
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