Why Scientists who study soil divide it into what layers are called .?

Scientists who study soil divide it into layers, known as soil horizons, to better understand its composition, structure, and function. Each layer has distinct characteristics, such as variations in mineral content, organic matter, and biological activity, which influence plant growth and ecosystem health. By examining these layers, researchers can assess soil fertility, water retention, and overall environmental impact, aiding in agricultural practices and land management. This layered approach also helps in tracking soil changes over time due to natural processes and human activities.