Which one of the following processes during decomposition is correctly described?

Options

(a) Humification-Leads to the accumulation of a dark coloured substance humus which undergoes microbial action at every fast rate
(b) Catabolism-Last step decomposition under fully anaerobic condition
(c) Leaching-Water soluble inorganic nutrients rise to the top layers of soil
(d) Fragmentation-Carried out by organisms such as earthworm

Correct Answer:

Fragmentation-Carried out by organisms such as earthworm

Explanation:

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