Moderate
Melanization generally involves the following zone:
Correct answer: B. Horizon-A
- A. Horizon-B
- B. Horizon-A
- C. Horizon-C
- D. All of these
Explanation
Melanization is the darkening of soil through the incorporation and transformation of organic matter, chiefly in the A horizon. The B and C horizons are not normally the main zone of melanization.
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