Which is evidence of universe expansion that supports the Big Bang Theory?(1 point)

The temperature of the universe is the same as it was at the time of the Big Bang.
The temperature of the universe has cooled over time.
The temperature of the universe has warmed over time.
The temperature of the universe has cooled and warmed repeatedly over time.

1 answer

The correct answer is: The temperature of the universe has cooled over time.

This supports the Big Bang Theory by indicating that the universe has expanded and cooled since its inception, consistent with the theory's predictions.