Answer:
The two common characteristics of asteroids are that they both are Large and Rocky
Explanation:
I took Science and we spent a whole semester learning about things like this and all you gotta do is trust me on this when I say it. Anyways, have a great day.
Asteroids are not invisible, since the 4 Vesta has been spotted with the naked eye. Although they are gassy they are not invisible so that one is incorrect, small, and rocky are incorrect if you ever have seen one( an image or something like that) although rocky is right there is one mistake and it is the small part. Unpredictable is right but star-like isn't. And that just leaves one left. The most logical and smartest one would be the first one
Large and rocky is the correct answer. Have an awesome day or night whenever you see this!!! :D:D:D