The simplest ratios compare only two values, but ratios comparing three or more values are also possible. In any situations in which two or more distinct numbers or quantities are being compared, ratios are applicable. By describing quantities in relation to each other, they explain how chemical formulas can be duplicated or recipes in the kitchen expanded.
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Answer:
fractional distillation since ot depends on the different liquids to have different boiling points
Answer:
Iron
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your answer is b hope this helps
