A rock contains 100 grams of Potassium 40 and 300 grams of Argon 40. How old
is the rock?...
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In dna, only the_ varies from one nucleotide to another. base phosphate sugar amino acid
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When does the circulatory system work with the respiratory system? a. during blood cell formation b. during cellular respiration c. during intestinal digestion d. during a viral infection
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Which would be the most useful source of evidence to support mcneill's contention?
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