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Which one of the following is not relate...

Which one of the following is not related to vermiculture?
(a) Maintains soil fertility
(b) Breakdown of inorganic matter
( c) Gives porosity, aeration and moister holding capacity
(d) Degradation of non biodegradable solid waste

A

a and b is correct

B

c and d is correct

C

b and d is not correct

D

a and c is not correct

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