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Which one of the following processes dur...

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

A

Fragmentation - Carried out by organisms such as earthworm

B

Humification - Leads to the accumulation of a dark coloured substance humus which undergoes microbial action at a very fast rate

C

Catabolism - Last step in the decomposition under fully anaerobic condition

D

Leaching - Water soluble inorganic nutrients rise to the top layers of soil

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