On Earth, wind and rain and volcanic activity have erased most all of the impact craters created here during the Earth's formation.
(wind and rain and volcanic activity; have erased; most all of the impact craters; T:On Earth) (the impact craters; created; L:here; T:during the Earth's formation)
wind and rain and volcanic activity the impact craters
have erased created
most all of the impact craters T:On Earth
L:here T:during the Earth's formation