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Which is an element? a. salt b. carbon c. salt water d. carbon dioxide
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What are fossils of organisms that existed over a wide area but only for a limited time period called?
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Apound is approximately 0.45 kilogram. a persons weighs 87 kilograms. what is the persons’s weight, in pounds, when expressed to the correct number of significant figures
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Which is an element? a. salt b. carbon c. salt water d. carbon dioxide...
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