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Chemistry, 22.06.2019 09:00
Look at the spectrums of a star moving towards earth and a motionless star. which of these is a correct inference that can be draw from the observation of the two spectrums? (2 points) the spectrum of a motionless star is difficult to be viewed separately using oridinary telescopes. the spectrum of a motionless star is identical to the spectrum of a star which moves towards earth. the spectrum of a star shifts towards the red region when the star moves towards earth. the spectrum of a star shifts towards the blue region when the star moves towards earth.
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Chemistry, 22.06.2019 19:00
How many moles of cu are needed to react with 5.8 moles of agno3? cu + 2 agno3 â cu(no3)2 + 2 ag
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Chemistry, 22.06.2019 21:30
What is the effect of returning nuclear reactor cooling water back into bodies of water?
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