Question

Which best describes the big bang theory? A. The universe is 4.6 billion years old. B. The universe is shrinking. C. Our universe is not the only universe. D. The universe is expanding.

Answer 1

The correct answer is letter D. The best statement that describes the big bang theory is that The Universe is Expanding. This is backed by the Doppler effect. Hope this answer helps! Good luck!

Answer 2

The Big Bang Theory presents an explanation of the origin of the universe and is the most prevailing theory to date. According to the theory, the universe expanded from a state with a very high density which suddenly exploded and hurled matter to all directions. To this day, the expansion of the universe occurs and is supported by tons of evidences.

ANSWER: D. The universe is expanding.