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.
Adam and Eve
Homosapiens. They were the first "persons" on Earth.
Earth day is celebrated on April 22nd. The first Earth Day in America was celebrated in 1970. 20 million people took part in the rallies, concerts, and teach-ins that were held on that day.
According to the Wikipedia article on Earth Day (related link below) approximately 20,000,000 Americans participated in the first Earth Day.
Alkaline earth metals are in the second group. Be is the first metal of them.
Approx. 4.55 billion years old.
they never really disappeared people just stopped believing in them because new religeons came into the world or they never exsisted in the first place
1972
No.
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.
According to the bible, the first people on earth were Adam and Eve.
hlobowane
. . . an oligarchy .
it was mostly
you little piece of f0ck
Nah.
17??