If observations had shown that the cosmic microwave background was perfectly smooth (rather than having very slight variations in temperature), then we would have no way to account for
A. the relationship between the strong and the weak force.
B. the fact that our universe is expanding.
C. how galaxies came to exist.
D. the existence of helium in the universe.
Answer:C
If observations had shown that the cosmic microwave background was perfectly smooth (rather than having very slight variations in temperature), then we would have no way to account for
A. the relationship between the strong and the weak force. B. the fact that our universe is expanding. C. how galaxies came to exist. D. the existence of helium in the universe.