 
<translate> Dukkan takin ana samunsa a saman ƙasa kamar yadda yake da ganye da ke fadowa a ƙasa da ƙyallen ciyawa waɗanda ke ba da takin ƙasa. Saboda haka, amsar karshe ita ce saman duniya. <eng> All compost is found on the surface of earth as it is made up of leaves that fall on to the ground and grass clippings which fertilise soil.
So, the final answer is surface of earth. 