Compared to the bulk soil in which the earthworms live, earthworm casts contain ________
A) less organic matter
B) more of most plant-available nutrients
C) less of most plant-available nutrients
D) more sand and silt
E) more nitrogen but less of other plant-available nutrients
B
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What will be an ideal response?
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A. Conventional theory B. Electron theory C. Gilbert theory D. Faraday theory
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What will be an ideal response?
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