3. Which provides evidence of universe expansion that supports the Big Bang Theory? Select the three correct answers. A. The universe is undergoing a cycle of contraction and expansion.
B. The temperature of Cosmic Microwave Background radiation varies widely from one part of the universe to another.
C. An enormous amount of weak background radiation has been detected in the universe.
D. The temperature of the universe is decreasing.
E. The temperature of the universe is increasing.
F. Galaxies are moving away from each other.