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    Exam 15: Cosmology: Will the Universe End
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    Before the First Stable Nuclei Were Formed, What Was the Makeup
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Before the First Stable Nuclei Were Formed, What Was the Makeup

Question 2

Question 2

Multiple Choice

Before the first stable nuclei were formed, what was the makeup of the universe?


A) hydrogen and helium
B) elementary particles
C) atoms
D) molecules
E) iron and oxygen

Correct Answer:

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