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Answers by Zpangwin

Answers by Zpangwin
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Calculate the energy of a photon of wavelength 11.56 meters. (Planck’s constant is 6.626 x 10-34 joule seconds; the speed of light is 2.998 x 108 m/s)
answered Jan 15, 2017
5 votes
228k views
Identify one cost and one benefit of farming for early people
answered Nov 21, 2016
2 votes
93.1k views
In the next hour, the people in France will save 12,000trees by recycling paper. About how many trees will they save in 2 days
answered May 22, 2016
4 votes
100k views
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