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03-08-2009, 05:25 AM
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#19 |
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We have to go back, Kate!
Join Date: Apr 2004
Location: Yorkshire
Posts: 25,964
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The things that limit population (or rather limit a population's ability to comfortably exist) are environmental: food, space, etc. Space is flexible, look at high rise cities. Food is also a flexible variable, we can produce food at varying levels of intensity.
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