why does the top soil contain much more humus than sub soil
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because the dead plants and animals gets decomposed by the degradation of bacteria in the uppermost layer of soil
shagun187:
thanks for giving me answer
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Answer:
it is because humus is made up of dead and decaying matter and most of the living organisms are found in the topsoil . as these organisms are dead tey form the humus.
Explanation:
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