Soil is a complex mixture of organic and inorganic materials that forms the upper layer of the Earth’s surface, providing a vital foundation for plant growth and other forms of life. Soils are composed of various components, including mineral particles (such as sand, silt, and clay), organic matter (such as decomposing plant and animal materials), … Read more
There are three main types of rocks: igneous, sedimentary, and metamorphic. Stars, Galaxy and Milky way Planets Universe Here are some MCQs on Types of Rocks: 1. What are rocks?a) Natural substances formed of minerals and/or organic matterb) Man-made substances formed of chemicalsc) Living organisms made of cellsd) Artificial substances made of plastics and metals … Read more
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