Which sentence about galaxies provides evidence of universe expansion that supports the Big Bang Theory?
Galaxies are moving at different speeds and in different directions. Galaxies are moving at different speeds and in different directions. Galaxies are moving away from each other. Galaxies are moving away from each other. Galaxies are in constant motion. Galaxies are in constant motion. Galaxies are moving more slowly than they have in the past.
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Galaxies are moving away from each other.
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