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Contact [7]
3 years ago
5

Which statement accurately describes the origin and expansion of the universe?

Biology
1 answer:
stira [4]3 years ago
3 0

<u>ANSWER:</u>

Cosmic background radiation is leftover thermal energy from the Big Bang best describes the origin and expansion of the universe.

<u>EXPLANATION:</u>

  • The "Big Bang Theory" is used to describe how the universe has begun.
  • The theory basically states that the "universe" began as a "single point" and then "expanded and stretched" and is expanding even today.
  • When the universe began, it was "hot tiny particles" mixed with heat and light and as it "expanded" and took up "more space", it cooled down and formed atoms.
  • The "best evidence of the big bang" is the radiation of cosmic background that was leftover when the first big bang explosion took place and began the universe.
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