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  • Weathering and Erosion: How Rocks Break Down & Change
    When a rock is exposed to weathering or erosion, it will form smaller pieces of rock, sediment, or soil.

    Here's a breakdown:

    * Weathering: This is the process of breaking down rocks into smaller pieces. It can be caused by factors like:

    * Physical weathering: Freezing/thawing, abrasion by wind or water, plant roots.

    * Chemical weathering: Rainwater reacting with minerals, oxidation.

    * Erosion: This is the process of moving weathered material from one place to another. It can be caused by:

    * Wind: Carrying sand and dust.

    * Water: Rivers, waves, glaciers.

    * Gravity: Landslides, rockfalls.

    The specific end product of weathering and erosion depends on the type of rock, the type of weathering/erosion, and the environment:

    * Sediment: Smaller pieces of rock, often transported by wind or water.

    * Soil: A mixture of sediment, organic matter, and minerals.

    * Clay: Very fine-grained sediment formed by weathering.

    So, when a rock is exposed to weathering and erosion, it will eventually break down into smaller pieces, which can then be transported and deposited elsewhere.

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