Answer :
I think it’s A.) it explains why the universe is made up of matter
The statement that is true about the Big Bang Theory is that B. It says that the universe began with a giant explosion.
The Big Bang Theory is a theory about how the universe was formed. According to the theory, the universe was formed due to an explosion that occured in space.
The Big Bang Theory doesn't explain that the universe is made up of matter but rather that there was a very high density and temperature that resulted in the explosion that occurred in space and this led to the formation of the universe.
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