where are comets located?inside our solar system or outside?

They're all around us! The one's we track most closely (such as Haley's) stay mostly within the Solar System under the gravity of the Sun.

Inside

You really havnt got to grips with this science business yet have you? We dont need a comet to account for movement of tectonic plates. Asteroids are remnants of a dead planet or other body between Mars and Jupiter (some of which get knocked out of orbit ocassionaly) and a comet could not enter the solar system between eath and the sun. Orbital physics makes that a bit tricky.

There are two major sources for comets --

1)KUIPER BELT which begins just beyond the orbit of Neptune out to far beyond Pluto's orbit

2)OORT CLOUD which starts at about 1/2 light year away and extends outward for about 2 light years

inside our system.. Most of them are at the ice edge of our system called the Kuiper belt

both in and out. they are not numbered or counted beside the obvious haleys etc...

out side their orbit just passes through occasionally.

both

tetttsss

both!