Expanding Universe Quick Check

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

The temperature of the universe has warmed over time.
The temperature of the universe has warmed over time.

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

The temperature of the universe has cooled over time.
The temperature of the universe has cooled over time.
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1 answer

The correct response that provides evidence of universe expansion supporting the Big Bang Theory is:

The temperature of the universe has cooled over time.

This is consistent with the predictions of the Big Bang Theory, which posits that the universe started from a hot, dense state and has been expanding and cooling since then.

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