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July 30, 2014

Homework Help: socials

Posted by Mohammad on Wednesday, January 4, 2012 at 10:49pm.

wat r main factors of population change?

jobs people get? i really not understand this.

what meant by exponential rate of growth? rule of seventy?

i think it means rapid rate of increase as each generation doubles in size. rule of seventy mean way to estimate number of years it takes for population growth to double in size. it state that doubling time is approx. equal to seventy divided by the growth rate,in percent per year.

how i make rule of seventy definition shorter?

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