Answer:
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.
He uses foreshadowing and creates suspense on how it is perplexing
No one knows the origin, perhaps used by early man to explain the glorious deeds of heroes, almost five thousand years old.
Answer:
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