Soil is a natural resource that is made up of small rocks, dead plants, and dead animals. It also has air and water in the spaces between pieces of it. We can sort soil into loam, clay, and sandy soil by soil texture and stickiness that have different water holding properties. So, we can use different soils differently. Soil is a natural resource that is made up of small rocks, dead plants, and dead animals. Soil in different places has different physical properties.