First, lets clean up the grammar and spelling of your question. "How were asteroids formed?" is correct form.
Asteroids are broken up pieces of a hypothetical planet between Mars and Jupiter. Probably during the formation of the solar system a couple of potential planets, or a planet and a moon or a planet and a really big comet etc. smashed into each other.
Veilstone City.
Astroids can form huge craters when they hit Earth
they are just called astroids.
it was caused by astroids and other minerals like stone and ice
Astroids are huge rocks but all the astroids don't look the same.
in canada
yes they are.
Saturn.
i do not know... Peace out
holes that astroids hit
Metorites and astroids.
No, none of the planets have asteroids.