Chemistry, 23.10.2020 22:10 coollid876
Scientists have documented that galaxies they observe seem to be moving farther away. Which concept best explains this?
A. black holes because an unseen force is pulling objects away from the center of the universe
B. big bang theory because the universe exploded from a single point in space and is always expanding
c. gravitational force because objects are being drawn toward the edges of the universe
D.
solar system because the mass of the Sun pushes other galaxies away
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Chemistry, 22.06.2019 15:50
Elements in group 2 are all called alkaline earth metals. what is most similar about the alkaline earth metals?
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Chemistry, 22.06.2019 23:30
Rank substituents in order of their priority when assigning the e or z label to an alkene. i, ch2i , h, ch2ch2cl, f
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Scientists have documented that galaxies they observe seem to be moving farther away. Which concept...
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