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When a sample of rust was mixed with acid, the rust changed into two simpler substances: w and z. the substances w and z could not be broken down into simpler substances. which statement is best supported by this evidence? a. the substances w and z are compounds. b. rust is a compound made of two elements. c. rust is an element that breaks into compounds. d. the substances w and z are not made of atoms.
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When a sample of rust was mixed with acid, the rust changed into two simpler substances: w and z. t...
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