Answer:
to define the action in a sentence
Explanation:
that's is
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:
the answer is D
Explanation: an artifact is an object made by a human being, typically an item of cultural or historical interest.
