sun, water, clay, and sand. sand, clay, wind, and pebbles. sand, clay, dead plants, and dead animals. leaves, twigs, sun, and wind.
Soil is a mixture of many substances which may include

Options:
- sun, water, clay, and sand.
- sand, clay, wind, and pebbles.
- sand, clay, dead plants, and dead animals.
- leaves, twigs, sun, and wind.

sand, clay, dead plants, and dead animals.