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What is the difference between nitrogen-14 and nitrogen-15
answered
May 4, 2017
Biology
high-school
2
votes
143k
views
An igneous rock that contains mostly pyroxene and olivine has a what composition
answered
Jan 28, 2017
Geography
high-school
4
votes
14.4k
views
Atevery bus station, busses depart at a rate of 3 every 10 minutes. At this rate, how many buses would you expect to depart in one hour?
answered
Sep 7, 2016
Mathematics
middle-school
1
vote
28.5k
views
The United States and the United Nations successfully restored peace in Somalia in the 1990s.
answered
Apr 18, 2016
History
high-school
2
votes
7.5k
views
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