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  • Bedrock vs. Parent Material: Understanding Soil Formation
    Bedrock isn't actually called the "parent" of soil, but it's more accurate to say it's the "parent material" of soil. Here's why:

    * Bedrock is the foundation: Bedrock is the solid, unweathered rock that lies beneath the soil. It's the starting point for soil formation.

    * Weathering and erosion break it down: Over time, the bedrock is broken down by weathering (rain, wind, ice, temperature changes) and erosion (movement of water, wind, or ice). This process creates smaller pieces of rock, minerals, and other materials.

    * Organic matter joins the party: These broken-down materials mix with decaying plant and animal matter (organic matter), creating the foundation of soil.

    * Soil is dynamic: Soil isn't static. It continues to evolve as new materials are added and existing ones break down.

    So, while bedrock is the starting point for soil formation, it's not the only ingredient. The combination of weathered bedrock, organic matter, and other factors creates the complex and diverse world of soil.

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