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Examples of valuable nonmetallic minerals extracted by mining are ________.Examples of valuable nonmetallic minerals extracted by mining are ________.lead, cadmium, mercurynitrogen, hydrogen, neonsand, gravel, phosphateradon, radium, sodiumgold, platinum, copper
Examples of valuable nonmetallic minerals extracted by mining are ________.Examples of valuable nonmetallic minerals extracted by mining are ________.lead, cadmium, mercurynitrogen, hydrogen, neonsand, gravel, phosphateradon, radium, sodiumgold, platinum, copper
Answer:Examples of valuable nonmetallic minerals extracted by mining are sand, gravel, phosphateExplanation:Nonmetallic minerals refers to those chemical elements that cannot be used to make any other products after they have been melted. Examples of these minerals are clay, limestone,marble , sand and gravel. They are called non metallic because they can not conduct electricity , can not conduct thermal power, they lack luster,rigor and malleability.The non metallic metals are mostly used to make cements , lime and glass.They can also be used in sanitary ,tableware and decorative products.Several steps are followed in making certain products from these minerals such as grinding,cutting,mixing,shaping and heating....