If you are asking, "Why is there life on earth," sadly no one can give a 100% certain answer, although many theories exist. The most common scientific beliefs are that early life on the planet arose through complex random chemical interaction in the primordial sea, possibly using energy from geothermal vents or lightning strikes. At the same time religion offers countless answers of its own as to why there is life on earth.
yes they can live on earth
No. I live 'on' Earth.
we live on earth
Bacteria CAN live on Earth.
the planet we live on is earth
She is Mother earth, so, she will live on the earth because she is not an olympian.
We live on top of the Earth's crust.
We live on Earth-Prime, the Earth where superheroes only exist in comic books.
we live on the crust of the whole earth
Live from Earth was created in 1983-10.
Earth is the planet we live on. Earth has one moon.
Earth