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Social Studies, 21.06.2019 22:00, beccahaileyowzryu
24-karat gold is considered to be pure gold. 18-karat gold is considered to be about 75% gold. what is 18-karat gold considered a mixture rather than a pure substance? a) it has a variable composition of other elements and minerals. b) its color is different than pure gold. c) the gold atoms are not arranged in a repeating pattern. d) it can be melted and transformed into a different substance.
Answers: 2
Social Studies, 23.06.2019 00:20, queenkimm26
Why is it difficult to determine which countries belong to europe and which belong to southwest asia
Answers: 3
Quality circles accomplish thelr work by doing what?...
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