It would really help.

In other words, it is so old that it is difficult to imagine.

Explanation:

In this case, the simplest answer is the correct one. It's not about math or science; it's just what it is; the history of the universe is very hard to imagine because is humans haven't been in it for very long.

your answer is b. "with strong wording encouraging readers to take action."

the correct answer is (a) . answer should be simple, clear and brief.