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Lorico [155]
3 years ago
10

Humus represents _____ of the soil composition to 5% b) 60% c) 25% d) 15% e) 50%

Biology
1 answer:
Alex777 [14]3 years ago
7 0

Answer:

The correct answer is B, 60%

Explanation:

Humus, which ranges in color from brown to black, consists of about 60 percent carbon, 6 percent nitrogen, and smaller amounts of phosphorus and sulfur

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