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Sinkholes: How Do They Form and Types of Sinkholes

According to the United States Geological Survey (USGS), sinkholes are pits in the ground that occur in areas where water collects without external drainage. Essentially, a sinkhole is any hole in the ground formed by erosion and the drainage of water. It can be just a few meters across or large enough to swallow a …

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What is Soil, its Importance and What Are Different Layers of Soil

Soil is the part of the earth’s surface comprised of disintegrated rock and humus that provides the medium for plant growth. The development of soil takes time, between hundreds and thousands of years, and consists of diverse materials which are both inorganic and organic. The inorganic materials are the non-living aspects of the soil such …

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