ADVANTAGES

For example, consider population growth rates for humans or any other species. No scientist who stayed awake during math class would ever claim that the population growth rate measured in the United States for the year 2010 was the same as the rate for 2000…..nor the same as the population growth rate in the U.S. in 1900……and certainly not the same as the same geographic territory in 1600. (Indeed, EVERYBODY KNOWS that there have been major changes in family sizes, even in recent generations!) Of course, we can say the same for the population growth rate for humans worldwide and throughout human history. In fact, not only are those “rates” today not “the same rate” as a thousand years ago, they aren’t even always in the same direction! (For example, when the Great Plagues hit Europe and similar diseases came to the New World with the explorers, population growth rates turned and reversed most severely to produce NEGATIVE GROWTH RATES!

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