What Best Explains the Process That Is Illustrated Below

Multiple Choice

What best explains the process that is illustrated below?

A) yard wastes are being mixed with crushed glass to make glassphalt
B) rubber and plastics are being prepared for incineration
C) food scraps and yard wastes are converted into compost or mulch
D) seeds are put into the drum to premix with soil for ease of distribution
E) noncombustible wastes are being removed by hand prior to incineration