👉 A concretion is a type of solid or liquid material that forms within a body due to the accumulation of matter or water. This process occurs in various organisms, including plants and animals, as well as in the environment. Concretions can be found on surfaces such as rocks, soil, and even the earth itself. In some cases, concretions are formed by the breakdown of organic material into smaller particles. For example, bacteria may break down plant matter or decompose animal waste to form
