Has anyone ever .....
@krislouiebaby (2347)
Philippines
1 response
@judyt00 (3497)
• Canada
3 Apr 07
That depends entirely on when you figure the first man walked on earth. but probably its impossible. since we don't know how long people lived or how many children survived to adult Ther coulf have been more than 100 billion , though or possibly as few as 20 billion