A) dead and shady organic matter
B) living organic and inorganic things
C) accumulation of radioactive materials
D) none of the above
Correct Answer: A
Solution :
Humus is darker part of soil which is derived from the decomposition of dead plants and animals by the action of bacteria, fungi and other microbes. It has main source of nutrient and high water holding capacity for plants to grow normally.You need to login to perform this action.
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