Which one of the following processes during decomposition is correctly described?
- ALeaching – Water soluble inorganic nutrients rise to the top layers of soil
- BFragmentation – Carried out by organisms such as earthworm
- CHumification – Leads to the accumulation of a dark coloured substance humus which undergoes microbial action at a very fast rate
- DCatabolism – Last step in the decomposition under fully anaerobic condition
✓ Correct answer: B
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