Earthworms ________.
A) literally "suck" nitrogen out of the soil
B) are not able to eat microorganisms
C) usually guarantee the soil will be poorly productive
D) are at their most numerous in arid climates
E) increase soil porosity
Correct Answer:
Verified
Q6: The weathered layer of loose inorganic material
Q7: Most soil development takes place _.
A) within
Q8: The soil-forming factor which is said to
Q9: In terms of topography, the deepest soils
Q10: The processes that deepen and age soils
Q12: The following is not an important soil
Q13: The true soil layer is known as
Q14: Earthworms _.
A) are underneath almost all Earth's
Q15: Globally, the influence of this soil-forming factor
Q16: Parent material is closely associated with which
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