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Answers by Roxrook

Answers by Roxrook
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What is the energy of a photon whose frequency is 5.2 x 10 to the 15th s -1? Cassie(:
answered Jul 15, 2017
2 votes
150k views
Which measurement is most accurate to describe the weight of a quarter? 630 g 63 mg 6.3 g 0.63 kg
answered Feb 25, 2017
4 votes
157k views
What happened in Russia in 1917 that led the United States to justify its involvement in World War I as a fight for democracy? A.) Russia signed a military defense treaty with France and Great Britain.
answered Oct 10, 2016
2 votes
89.9k views
Which words in the sentence make up the appositive phrase? Mrs. Guerrero, the president of the historical society, is retiring next summer. A. Mrs. Guerrero B. next summer C. is retiring D. the president
answered Jun 13, 2015
2 votes
66.0k views
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