Use the particle diagrams below and match each with the correct classification. a mixture of compounds and elements
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elements of a pure solid
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a mixture of elements
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a gas compound
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a gas element
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a solid compound
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Ascientist conducted an experiment and discovered that certain plants grow faster when given a particular amount of fertilizer. anouther scientist conducted the same experiment and got similar results. which concept does this best illustrate? a) repetition b) replication c) precision d) validity