Chemistry, 01.03.2020 21:05 yeehaw777

For "moving toward," a blue ray of light moved from the star to Earth. Then a spectrum appeared in the bottom half of the screen. Which statement about the spectrum on the bottom relative to the spectrum of the stationary star is correct?

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The mass of a neutron is equal to the mass of a proton plus the mass of an electron. true or false false true

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