Noun adj, verb proper noun present
A is the answer. Hope this HELPS!!
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.
B. Examples
The answer is B because when using examples it boosts your opinion because you may be using facts or something to back up your idea or such.
Exp: I think brainly is a good place to place opinions because for example someone else may come along and comment on your answer with better options or facts.