What kinds of atomic nuclei formed during the nucleosynthesis era?
A) essentially all of the chemical elements, except for those heavier than uranium
B) hydrogen, helium and trace amounts of lithium, beryllium, and boron
C) only helium
D) only hydrogen
E) roughly equal amounts of hydrogen, helium, lithium, beryllium, and boron
Correct Answer:
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Q1: Q3: How long after the Big Bang was Q4: Why do we think tiny quantum ripples Q5: What are the two key observational facts Q6: Laboratory experiments conducted with particle accelerators confirm Q7: The electromagnetic force is stronger than gravity. Q8: How does the theory of inflation explain Q9: Approximately how long did the nucleosynthesis era Q10: We have direct experimental evidence (from large Q11: Why is the night sky dark?
A)The universe
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