joseterocrack joseterocrack

23-06-2020
Biology

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

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RoseCrystal01 RoseCrystal01

23-06-2020

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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