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How are the elements arranged in the modern periodic table?
asked
Dec 5, 2017
Chemistry
high-school
2
answers
5
votes
91.6k
views
On Saturday Keisha ran 2.758 kilometers. On Sunday she ran 1.78 kilometers. How Much farther did she run on Saturday than on Sunday.
asked
Aug 26, 2017
Mathematics
middle-school
2
answers
5
votes
229k
views
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