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Atoms are NOT composed of which of the following? protons neutrons electrons xenons
asked
Jul 5, 2016
Biology
high-school
2
answers
5
votes
189k
views
Two in-line skaters, Nell and Kristin, start from the same point and skate in the same direction. Nell skates at 16 miles per hour and Kristin skates at 18 miles per hour. If they can keep up that pace
asked
Dec 11, 2015
Mathematics
high-school
1
answer
1
vote
176k
views
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