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Biology 15 Online
OpenStudy (anonymous):

Which is evidence that scientists use to support the big bang theory? A. Most orbits have an elliptical shape. B. The outer planets are mostly composed of hydrogen and helium. C. Earth is the only planet with permanent liquid water on its surface. D. Most galaxies are moving away from each other.

OpenStudy (solidicecream):

That would be D. Most galaxies are moving away from each other.

OpenStudy (anonymous):

thx

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