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Radioactive isotopes of an atom are: a.more scarce b.more stable c.less stable d.more abundant
answered
Mar 8, 2017
Physics
middle-school
4
votes
204k
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Explain why 0.4×10=4 helpppppppppppppp meeee
answered
Jan 1, 2017
Mathematics
middle-school
4
votes
60.6k
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scientists have used mtDNA as a molecular clock to trace human evolution and early migration routes explain why mtDNA would be more useful in this research than rRNA
answered
Sep 10, 2016
Biology
high-school
5
votes
198k
views
What is the largest agency of the executive office of the president?
answered
Mar 24, 2015
Social Studies
high-school
4
votes
70.6k
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