The steps required for conversion of kitchen garbage into manure are given below in a jumbled form. <br> i. Put garbage into a pit <br> ii. Cover the bottom of the pit with sand <br> iii. Cover the pit loosely with a gunny bag or grass <br> iv. Add worms <br> Which of the following shows the correct sequence of the above steps?

Question

$\begin{array}{1 1} a. (ii), (i),(iii),(iv) \\ b. (i),(ii), (iii), (iv) \\ c. (ii), (iv),(i), (iii) \\ d. (iv), (i) , (ii), (iii) \end{array}$