GK
GENERAL SCIENCE
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Minerals
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Humus
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Fossil
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Stones
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Detailed explanation-1: -The correct answer is Minerals. Minerals are the naturally occurring inorganic elements or compounds in the earth’s crust. They are crystalline solids. They are formed by geological processes.
Detailed explanation-2: -A mineral is a naturally occurring inorganic element or compound having an orderly internal structure and characteristic chemical composition, crystal form, and physical properties. Common minerals include quartz, feldspar, mica, amphibole, olivine, and calcite.
Detailed explanation-3: -A mineral is a naturally-occurring, inorganic solid substance with a crystalline structure, a fixed or variable chemical composition, and a set of physical properties that can be used for identification. Inorganic means that minerals are formed from non-living materials.