Answer:
Bodies of ice and rock that orbit the Sun and produce a coma and tail of vapor and dust when near the Sun
Explanation:
So if you go to the NASA dictionary it states:
Comet- cosmic snowballs of frozen gases, rock, and dust that orbit the Sun.
So it is most definitely the second option
Have a great day :D
Answer: is b
Explanation:
Because I saw other people put it
Yes you can. The atomic mass measured from the proteins and neutrons in an atom, since you know he number of protons, you can subtract and be left with the number of neutrons.