Answer the following questions in one or two words or sentences. (a) Why should we prefer to use paper bags rather than polythene bags? (b) Who out of the following, should properly dispose of the garbage-father, mother, elder brother, younger sister? (c) Which one out of beetles, roundworm and earthworm are used for vermicomposting and why?
Instead of using polythene bags, we should use bags made up of:
Why is there a need to ban the use of polythene bags?