The cosmic microwave background radiation is strong evidence for the Big Bang theory because it: (a) Directly shows the explosion that created the universe. (b) Represents the afterglow of the hot, early universe. (c) Is a leftover radiation from the formation of stars and galaxies. (d) Only exists in specific regions of the observable universe.

The cosmic microwave background radiation is strong evidence for the Big Bang theory because it: (a) Directly shows the explosion that created the universe. (b) Represents the afterglow of the hot, early universe. (c) Is a leftover radiation from the formation of stars and galaxies. (d) Only exists in specific regions of the observable universe.

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