dirty snowballs or "icy mudballs
No. Comets come from beyond the asteroid belt, mostly from a region called the Kuiper Belt, beyond the orbit of Neptune.
Comets are made mostly of ice.
mostly ice
Comets contain ice.
In the outer realms of the solar system.
anywhere but mostly in the country
.... errr - well comets.
Asteroids are rocky or metallic. Comets are made mostly of various types of ice, although they also contain some amount of dust and rock mixed in. A rock in space might also be a meteor.
Dust and gas
Comets are composed mostly of ice while asteroids are mostly made of rock or metal.
Comets are mostly made up of ice. They usually have a metallic core high in nickel. The tail of a comet is actually the ice melting as it passes a heat source.
short period comets