Here's a breakdown:

* Weathering: This is the process of breaking down rocks, soils, and minerals through contact with the Earth's atmosphere, water, and biological organisms. There are three main types of weathering:

* Physical weathering: This involves the mechanical breakdown of rocks into smaller pieces. Examples include frost wedging (water freezing and expanding in cracks), abrasion (rocks grinding against each other), and thermal expansion and contraction.

* Chemical weathering: This involves the chemical alteration of rocks. Examples include oxidation (rusting), dissolution (rocks dissolving in water), and hydrolysis (water reacting with minerals).

* Biological weathering: This involves the breakdown of rocks by living organisms. Examples include plant roots growing in cracks, burrowing animals, and the production of acids by microorganisms.

Other factors contributing to soil formation:

* Erosion: The movement of weathered material by wind, water, and ice can transport soil particles and deposit them in new locations.

* Deposition: The accumulation of weathered and eroded material creates layers of soil.

* Organic matter: The decomposition of plant and animal remains adds nutrients and structure to soil.

Overall, it's a complex process that involves the interplay of physical, chemical, and biological factors over long periods of time.