The correct option is D All of the above
Soil is a major part of the natural environment, alongside air and water, and is vital to the existence of life on the planet. Soil is the result of the process of the gradual breakdown of rock, the solid geology that makes up the Earth. As rock becomes broken down through a variety of processes, such as weathering and erosion. Soil is composed of coarse particles called gravel, salt, and minerals.
Thus, the correct answer is option D.