Barry Shell answered on October 6, 2002, A:If you found this answer useful, please consider making a small donation to science.ca.
biology question #950
The Tucker Family, a 7 year old male from Hamilton asks on October 6, 2002,Q:
How many people have ever lived on earth? We have found data giving the population at differen points in history but not the total number over all time.
viewed 13283 times