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Many factors affect soil fertility. One biotic factor would be the

A) mineral content of the soil.
B) moisture content of the soil.
C) number of earthworms in the soil.
D) presence or absence of toxic chemicals.
El

User Penguat
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2 Answers

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Answer: The answer is C

Step-by-step explanation:

User Smith John
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6 votes

Answer:

C) Number of earthworms in the soil.

Step-by-step explanation:

User Litz
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