anything that gets in front of their orbit, if you go in front of it it will hit you too, stupid!
It is possible for comets and asteroids to hit Earth, but they are extremely rare events.
Comets
none, they burn up before they can hit it
its the comets are smaller than planets, moons, and asteroids. In order of size, usually comets < asteroids < moons < planets
Usually in the spring
Flying in the sky.
Usually after the people they were spotted by.
What do you mean with "hit space"? Comets are always in space.
Yes, any large object in the solar system can be hit by asteroids or comets. Pluto is located in the Kuiper Belt, a vast field of comets, so collisions with comets are probably not uncommon for the dwarf planet.
Yes comets and asteroids
An asteroid would hit earth first
yes yes Yes, comets and asteroids usually follow elliptical orbit.