Approx. 4.55 billion years old.
1972
Cheetah fossils have shown the animal to have existed for 2.5 million years.
Space rocks will have colided with the earth before Homo-Sapians exsisted so it is, unfortunatly, impossible to calculate. But it's happening all the time ... small ones, that is.
hlobowane
it was mostly
. . . an oligarchy .
you little piece of f0ck
Nah.
Nobody has ever seen an alien if they even exsisted.
yes or she wouldn't of exsisted but she did so she was born
It would totaly blooow
Some people believe the earth was first created 4.6 billion years ago, humans did not exist, nor did any other life forms. Humans didn't come into being until 15 million years ago, about 4.45 billion year's into earth's history.