Answers

2016-07-09T12:36:26+08:00
Soil- The basic components of soil are minerals, organic matter, water and air. The typical soilconsists of approximately 45% mineral, 5% organic matter, 20-30% water, and 20-30% air. 
Soil covers the surface of the Earth and is a valuable ecosystem. Soil is made up of minerals, nutrients, water, air, organic matter and microorganisms. Because of its makeup, soil has a variety of uses in a variety of industries. it is useful in agriculture,building,pottery,medicine, beauty products.

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