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2. Which is evidence of universe expansion that supports the Big Bang Theory?

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

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The Big Bang theory proposes that all matter in the Universe originated simultaneously at the same time (the starting point), approximately 14 billion years ago. It was firstly proposed by Georges Lemaître (1931).

  • The evidence of universe expansion that supports the Big Bang Theory is the observation that the temperature of the universe has COOLED over time.

  • According to this theory, the temperature of the Universe decreases as it increases its volume, i.e., as the Universe expands.

  • The observed expansion of the space is a line of evidence that supports the Big Bang theory.

Learn more in:

https://brainly.com/question/24439982?referrer=searchResults

Answer:

the temperature has cooled over time

Explanation:

i took the test

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