What Is Soil?

Soil is a natural resource. It is made by nature. People use soil in many ways. Soil covers Earth's land. It is like a thin "skin" in which plants can grow. Soil makes life on land possible.


Soil is a mixture of living and non-living things. It is made up of bits of rocks. Some things that live in soil are too small to be seen without a microscope. They are microbes. Soil is also made up of animal and plant parts that are living or once were living. In soil there are bits of rotted leaves and grass. There may be tiny pieces of dead insects. We call these things "organic."


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