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Which pair is classified as pure substances? a. compounds and solutionsc. elements and mixtures b. mixtures and solutionsd. compounds and elements

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User Oldes
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Compound and elements is the answer to ur question
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User Rcgldr
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Answer:

d. compounds and elements

Step-by-step explanation:

a pure substance is when something is made up of one type of thing, whether it be elements, where they are made up of one type of atom or a compound, where its atoms are chemically bonded and cannot be broken down by physical means

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User Skeej
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