The layer of soil that is a mixture of minerals and organic material is the
A) O horizon.
B) A horizon.
C) humus.
D) E horizon.
E) primary layer.
Correct Answer:
Verified
Q2: The three crops that humans rely on
Q3: Undernourished parents often raise children who are
Q4: In developed countries,the most recent increases in
Q5: Soil organisms usually stay _ the soil.
A)deep
Q6: _ can be defined as the transfer
Q7: Obesity is a disease that affects
A)poor,developing nations.
B)wealthy,developed
Q8: Wind erosion is most likely to cause
Q9: What are two common diseases that result
Q10: What is the theoretical basis of the
Q11: The energy needed to process and distribute
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