Terra

Minerals

Minerals Minerals are defined as solid, inorganic, naturally occurring substances with a definite chemical formula and general structure. Almost all chemical Elements in the Earth’s crust are associated with at least one mineral. They vary in color, hardness, density, crystal form, crystal size, transparency, composition, location, and abundance. Some minerals are radioactive (uranophane), while others … Read more

Soil Types

Soil is defined as upper layer of the earth composed of loose surface material. It is a mixture of many substances including endless variety of Minerals, remnants of Plants and animals, water and air. It is the end product of continuing interaction between the parent material, local Climate, plant and animal organisms and elevation of … Read more

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