Sadly, no. Dinosaurs are distinct so they will not come back to earth.
Dinoaurs, obviously, will come back from bein extinct and kill everyone. Well, that's my theory anyway...
Ghosts come back to earth to visit their house or to do things that they didnt finish. Ghosts probably come back to visit someone that they loved.
no
July 21,1969
Gravity
Rain
Dead people can never be brought back
it came from long ago back in the b.c
Apollo 11 started its process back to Earth on July 21, 1969.
when it wants to study another planet or come back to earth
They fired their rocket engine.
No, once Earth reaches the end of its life cycle, it will not come back to its previous state. The end of Earth would likely involve changes such as the sun expanding into a red giant, engulfing the planet or other catastrophic events that would make it impossible for Earth to return.