Question

Astronomers have observed that the universe is expanding and is accelerating in all directions. Using this evidence, astronomers have hypothesized that a huge explosion called the big bang created the universe. Which of the following correctly describes the big bang?

theory
fact
opinion
none of these

Answer 1

The answer is THEORY cause that's the right answer.

Answer 2

The answer is "theory". It's a possibility that's neither fact or opinion.