Q:

How does erosion occur?

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Quick Answer

Erosion occurs as a result of wind and water moving across earth and picking up part or all of dirt or rocks. By definition, erosion only requires earth to be moved, but in most cases, rocks or land are also worn down or broken into pieces.

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Full Answer

Erosion can be classified as either natural erosion or human-caused erosion. If the erosion is caused as a result of construction, agriculture or a variety of other human activities, it is not considered natural erosion. Erosion is not usually a good thing for the health of land since it can strip away topsoil that contains a significant number of nutrients needed to grow plants and sustain other life.

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Related Questions

  • Q:

    How does erosion affect the earth?

    A:

    Soil erosion has different effects depending on the type of erosion. Water erosion leeches nutrients from the soil and lowers water quality. Wind erosion lowers air quality and damages plants.

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  • Q:

    What is erosion?

    A:

    Erosion is a natural process in which rocks or soil are moved from one location to another by wind or water. Material may move through erosion for distances ranging from a few feet to thousands of miles. Erosion often is most noticeable along shorelines, but it occurs in a variety of areas throughout the world.

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  • Q:

    How is wind erosion different from water erosion?

    A:

    Wind erosion happens when pieces of the Earth are worn away by strong winds over time, and water erosion happens when moving water such as ocean waves wear away rock instead of seeping into the ground. Water is a more powerful erosion force than wind.

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  • Q:

    How is erosion prevented?

    A:

    There are several ways to prevent erosion, including grassing waterways, conserving tillage, covering crops, managing pastures and fortifying stream and riverbanks. Some erosion control methods, such as fortifying embankments along waterways, take place at the source, while others, such as modifying farming techniques, occur offsite. These techniques help to control and stabilize erosion on short- and long-term bases and are ideally used in combination.

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