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.
Answer: 1. Degree and graduated
Explanation:
This is an example of a misplaced modifier. One instead could say, While I was playing basketball in the driveway, my ball was punctured by a cactus.
Hope this helps