. Match the items of column A with the items of column B


(a) I – D,  II – C,  III – B,  IV – A
(b) I - D,  II – A,  III – B,  IV – C
(c) I – B,  II – D,  III – A,  IV – C
(d) I – A,  II – B,  III – C,  IV – D

Best Answer

(a) I – D, II – C,  III – B,  IV – A
Explanation- Lead, Mercury are non-biodegradable materials. Faecal remains are biodegradable. Redworms help in the formation of compost, the process is called vermicomposting. The rotting and conversion of some materials into manure is called composting.

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