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Answer:

The redshift seen in the spectrum of galaxies indicates the universe is still expanding.

The cosmic microwave background radiation is left over radiation from the big bang.

The composition of stars mirrors that of the early universe.

Explanation:

right on edge :)

The three pieces of evidence that support the Big Bang Theory are:

  1. The measured abundances of elements.
  2. The observed expansion of space.
  3. The discovery of the cosmic microwave background (CMB).

What is the Big Bang Theory?

Big Bang Theory is the theory of the origination of the universe. It says the universe is made up of a single point, which stretched and explodes out into large, and It's still stretching.

The three pieces of evidence to prove the Big Bang Theory is the presence of elements and the observations of space that are done.

Thus, the following three arguments are in favor of the Big Bang Theory:

  1. The measured abundances of elements.
  2. The observed expansion of space.
  3. The discovery of the cosmic microwave background (CMB).

Learn more about the Big Bang Theory, here:

https://brainly.com/question/16399197

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