For instance, yard waste such as leaves and grass which used to be thrown in the landfill is now broken down and made (61) ________ compost used by local people as fertilizer in their gardens
For instance, yard waste such as leaves and grass which used to be thrown in the landfill is now broken down and made (61) ________ compost used by local people as fertilizer in their gardens.
A. by
B. into
C. of
D. from