Question

how is soil formed ? what is soil erosion
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Answer 1

Answer:

1. The early phase of soil formation starts by disintegrating the rock under the influence of climate. Rainwater will dissolve rock elements, temperature fluctuations will cause cracks and fissures in the rocks. Freezing and thawing of water captured in the rock will widen existing cracks and cavities.
2. Soil erosion is the displacement of the upper layer of soil; it is a form of soil degradation. This natural process is caused by the dynamic activity of erosive agents, that is, water, ice, snow, air, plants, animals, and humans.

Explanation:

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Answer 2

Explanation:

The formation of soil begins with the weathering of bare rock and sediment surfaces that disintegrate under the influence of climate. Freezing and thawing, wind, water and gravity break soil parent material into smaller units or cause solid rock to crack.

• Soil erosion is a naturally occurring process that affects all landforms. In agriculture, soil erosion refers to the wearing away of a field's topsoil by the natural physical forces of water (Figure 1) and wind (Figure 2) or through forces associated with farming activities such as tillage.