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2 votes
Galaxies such as the Milky Way are held together by _________. A. gluons B. gravity C. dark matter D. dark energy

2 Answers

4 votes
I can second that the answer is B gravity I now much about this topic
User Ray Waldin
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8.3k points
0 votes
The answer is b, gravity. 
User M Siddique
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8.3k points
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