Completar frases Science l. 25Versión en línea Complete the sentences using information from lesson 25 por Brunny Duran de Azcue 1 hardness luster cleavage Concrete smelting 1 . is a building material made of sand and gravel . 2 . The way a mineral reflects light is known as . 3 . A measure of how easily a mineral can be scratched is its . 4 . The way a mineral splits is a property called . 5 . Metals can be removed from minerals by a process called .
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