3. Exercises III

Soil forms continuously but slowly from the gradual breakdown of sandnaturestones rocks through weathering, which can be a physical, chemical, or biological process. The essential soil components are mineralssandsnaturesstones, organic matter, water, and air. The specific soil consists of approximately 42% minerals40% minerals 45% minerals54% minerals, 5% organic matter, 20-30% water, and 20-30% air.