The steps required for conversion of kitchen garbage into manure are given below in a jumbled form. (i) Put garbage in a pit

(ii) Cover the bottom of the pit with sand


(iii) Cover the pit loosely with a gunny bag or grass


(iv) Add worms


Which of the following shows the correct sequence of the above steps?

First a pit should be dug and its bottom should be covered with sand then garbage is put into the pit. Then the pit is covered loosely with grass or gunny bags by adding some red worms in it.

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