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What was the main reason columbus sailed to the Americas? A. He wanted to find riches B. He wanted to prove that the world was round C. He wanted to prove his seamanship D. He wanted to see India
answered Mar 1, 2017
6 votes
208k views
If an isotope of an element has 33 neutrons and a mass number of 64, how many electrons must it have?
answered Feb 1, 2017
0 votes
46.0k views
If sarah is 24 years younger than her mother and if the sum of their ages is 68 how old is sarah
answered Sep 18, 2016
0 votes
13.7k views
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