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Which is an example of the practical pursuit of alchemy? a. forming perfect substances. b. transforming base metals. c. developing metalworking techniques. d. linking spiritual characteristics with material substances.
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Nan element’s square on the periodic table, the number with the greatest numerical value represents the
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Which of these is a density dependent factor? a. epidemic b. earthquake c. drought d. hurricane
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The chemical symbol for a calcium ion is ca2 . what does the 2 symbolize...
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