which is an appropriate layering process for a compost pile?

Question

a. a layer of pine needles, a layer of paper napkins, some soil, and some water
b. a layer of dried leaves, a layer of cheese, some soil, and some water
c. a layer of grass clippings, a layer of fruit scraps, some soil, and some water
d. a layer of paper napkins, a layer of grass clippings, some soil, and some water

Answer 1

c. a layer of grass clippings, a layer of fruit scraps, some soil, and some water