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Old March 14th, 2013, 10:01 PM   #138
chadcooper55
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Quote:
Originally Posted by aber61 View Post
These finds should produce more than just a few things in thier digs. They should be able to find stuff everywhere.
The world population grew from 1 billion to 7 billion from 1800 to 2011.

in 211 years the population went up 7x. think about how much the population has grown in a half million years. with advances in medicine people are able to live longer and reproduce more.

Population_growth Population_growth

During the early 1600s in England, life expectancy was only about 35 years, largely because two-thirds of all children died before the age of four.[25] The average life expectancy in Colonial America was under 25 years in the Virginia colony,[26] and in New England about 40% of children failed to reach adulthood.[27] During the Industrial Revolution, the life expectancy of children increased tically.[28] The percentage of children born in London who died before the age of five decreased from 74.5% in 1730-1749 to 31.8% in 1810-1829.[29][30]

Life_expectancy Life_expectancy
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