Some scientific evidence suggests that our universe is ever-expanding from a hot and dense initial state. briefly describe at least one piece of evidence that supports the theory known as the big bang.

Explanation:

Microwave background is basically electromagnetic radiation, but it's the remanent from earlier periods of the universe, they are the oldest electromagnetic wave in the Universe. Also, Hubble's Law says that the Universe faster galaxies are those are further away, because they belong to the first period of the explosion.

it should have an internal chamber and two thermometers sticking out of the top. the internal chamber will also be closed off from the outside.