The atmosphere. Because asteroids are travelling very fast - friction caused when they enter the atmosphere, causes them to heat up to the point that they literally start melting. The vast majority of asteroids burn up in the atmosphere. Only a tiny percentage are actually large enough to make it through and crash-land on the earth.
asteriods and comets are different because when asteriods hit earth we are going to to have destroyed buildings and places on eath and comets are like particles in the galaxy and its when they destroy planets and make them into a different shape or sized in the galaxy.
earth orginated from sun, during its journey in universe all asteriods were joined to become earth, watch planet earth on discovery channel
Ozone layer protects the earth. It protects us from UV rays.
The ozone layer protects us. It protects from UV rays of sun.
Asteriods are composed of rock that broke off of other planets.
Not exactly, but they sort of "fly around" in space. In fact, they move in orbits around the Sun, just as the Earth does.
the ozone layer protects the earth from the suns harsh rays
Asteriods are made up of rocks, dust,and minerals that float in spaces atmosphere.
Ozone layer protects us. It is present in the stratosphere.
Carbon protects the earth from radiation.
Ozone protects earth from UV rays. This is present as ozone layer.
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