depending on the size it could destroy the planet or impact in the water and not do much. It all depends on the size of said asteroid!
Technically, if it hits the Earth it's not an "asteroid", it's a "meteorite". And yes, meteorites hit the Earth all the time.
Asteroid can last up to 100 years before it hits earth.
Depends entirely on the impacting speed and the size of the asteroid. Generally an asteroid impact is not going to bode well for life on Earth
it depends on the size.
Meteor or asteroid
What happened when an asteroid hit the Earth is debatable but many scientists believe that this is what may have wiped out the dinosaurs. Some people believe that the asteroid created a dust cloud that covered the planet and caused a winter that froze most life.
crushed
asteroid
ey big back!
You usually get a crater, with surrounding damage.
If its big enough... It can kill a lot of people
a meteorite is a rock that hits the earth an asteroid is a rock just floating out in space and a meteor is a rock that comes into the earth's atmosphere but burns up