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Answers by Chrisco

Answers by Chrisco
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Which of the following statements about stars is true? A. Stars vary greatly in temperature. B. none of these C. Stars rarely differ in temperature. D. All stars are the same temperature.
answered Mar 16, 2018
6 votes
213k views
How many ten thousands in 321,040
answered Dec 27, 2017
3 votes
163k views
What fraction of a given sample of radioactive nuclide remains after four half lives? A. half-life: 1/2 left B. half of that, or 1/4 C. half of that, or 1/8 D. half of that, or 1/16
answered Aug 13, 2017
1 vote
79.9k views
Scientists should seek truth, not personal gain. True or False
answered Jul 16, 2017
3 votes
77.4k views
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