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What would the difference of spectral lines emitted by hydrogen gas in distant galaxies which is normally found at a wavelength of 21 cm on earth, be observed at 21.1 centimeters?
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The midpoints? a, b, and c are marked on the histogram. match them to the indicated scores. which? scores, if? any, would be considered? unusual?
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An element becomes a positively charged ion when itloses protons.loses electrons.gains electrons.gains neutrons.
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The third wire in a three-pronged plug is called a...
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