how long did it take to double from 3 billion to 6 billion
Depends on how much power thirst you drink.
100 years
mankind's don't need time to double the size. becauze they are very fast in doubling the population.
Since the population doubled for the first time, it would take the same amount of time to double a second time if the rate of growth remains constant. This is known as the doubling time and it depends on the population growth rate.
How long does it take to fly from North Carolina to Cancun Mexico?
The Rule of 70 is a quick way to estimate how long it takes for a population to double in size based on its growth rate. To use the Rule of 70, divide 70 by the annual growth rate of the population. The result will give you approximately the number of years it takes for the population to double.
long
about how long would it take to walk from east Texas coast to Mexico citey
about how long would it take to walk from east Texas coast to Mexico citey
ne4w mexico became a state because melory vasquez dijo eso
Sadly, the way babies are being continually aborted, not going to happen.