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Chemistry, 22.06.2019 03:00
What happened in 2012 and how does it illustrate the importance of understanding the sun and how it works?
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Chemistry, 22.06.2019 03:30
What is the relationship of air masses and the temperature of oceans?
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Chemistry, 22.06.2019 09:00
If you chip a tooth, most likely you will go to the dentist to have the missing material filled in. currently the material used to fill in teeth is a polymer that is flexible when put in, yet is hardened to the strength of a tooth after irradiation with blue light at a wavelength of 461 nm. what is the energy in joules for a photon of light at this wavelength?
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As the hydrogen gas was burning, a line spectra was observed, which is show below...
Mathematics, 23.01.2020 06:31
Mathematics, 23.01.2020 06:31
Mathematics, 23.01.2020 06:31
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Mathematics, 23.01.2020 06:31
Mathematics, 23.01.2020 06:31