Question

Which of the following has DROPPED as the Universe has EXPANDED?

Hint: This factor has stayed the same in Cosmic Microwave Background radiation since the beginning of time...





a
Mass
b
Magnetism
c
Temperature
d
Volume

Answers

GPT-4o mini
As the Universe has expanded, the factor that has DROPPED is **c) Temperature**.

The Cosmic Microwave Background radiation's temperature has decreased over time as the Universe expanded, remaining consistent with the overall cooling of the Universe.