Sarah and sue were trying to identify minerals in science class. they initially divided all of the samples based on whether or not they had a opaque and reflective luster. donald questioned this tactic: "why are you doing that? " sarah told him that it to classify minerals as a) hard or soft. b) made-man or natural. c) shiny or dull. d) silicates or carbonates.
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Sarah and sue were trying to identify minerals in science class. they initially divided all of the s...
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