One piece of evidence that supports the Big Bang Theory is

Question

Quizplus · Accepted Answer

The prediction that the universe is made of approximately three-fourths hydrogen and one-fourth helium by mass was made by the Big Bang Theory, and this prediction has been confirmed through observations and measurements of the cosmic microwave background radiation. This is a strong piece of evidence in support of the theory. The other options (B, C, and D) are related to other aspects of the universe, but do not directly support the Big Bang Theory.

One Piece of Evidence That Supports the Big Bang Theory