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Home Q & A Board Science-Related Homework Help Physics
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doit_the_clown doit_the_clown
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7 years ago
What significant event occurred about 500,000 years after the start of the Big Bang?
A)   All of the galaxies we see today formed.
B)   Electrons and nuclei combined to form neutral atoms.
C)   Quarks became confined.
D)   The formation of helium stopped.
Textbook 
Discovering the Universe

Discovering the Universe


Edition: 7th
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Only two things are infinite, the universe and human stupidity, and I'm not sure about the former.

Albert Einstein
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discovererdiscoverer
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7 years ago
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doit_the_clown Author
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7 years ago
this is exactly what I needed
africa143
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Yesterday
I appreciate what you did here, answered it right Smiling Face with Open Mouth
kh540941
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2 hours ago
Thanks for your help!!
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