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


lead

(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.
 
 
 
 
 
 
        
 
 
 

Talk to Our counsellor