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Sia ? 4 years, 2 months ago

Minerals- A mineral is composed of the same substance throughout. There are about 3000 different minerals in the world. Minerals are made of chemicals - either a single chemical or a combination of chemicals. There are 103 known chemical elements. Minerals are sorted into 8 groups.
Ore- A mineral occurring in sufficient quantity and containing enough metal to permit its recovery and extraction at a profit. Or, a mineral or an aggregate of minerals from which a valuable constituent, especially a metal, can be profitably mined or extracted is an ore.

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Vasu Dabwalia 7 years, 7 months ago

Formation of new individuals is known as..........
Y
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Susha Jena 7 years, 8 months ago

Biaa
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