Loess is:
A) loose mixtures of minerals and organic clumps
B) loose layers of fine volcanic ash
C) deposits of windblown dust, often several feet thick
D) deposits of river sediments settling on banks
Correct Answer:
Verified
Q10: Decomposed organic matter form a dark, top
Q11: Steep-sided mountainous soils tend to be _
Q12: A soil profile shows a sequence of
Q13: Where would soil formation be relatively rapid?
A)
Q14: The soil formation process involving the introduction
Q16: Soil air contains more _ and less
Q17: The R soil horizon stands for _.
A)
Q18: In the tropics, what causes organic matter
Q19: The reddish-brown color in the B horizon
Q20: All soils have distinct horizons that are
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