Total fertility rate
Demographers study populations of the world. How groups of people share certain chracteristics like age or race
Demographers study populations, including their size, structure, distribution, and change over time. They analyze factors like birth rates, death rates, migration patterns, and age demographics to understand population dynamics and make projections for the future.
There is no telling if it will change or not, you can't predict something like that.
10
You have people dying, people leaving, people arriving, and the birth rate can (and most probably will) change over time.
You can't ! Grams are a measurement of weight - centimetres are a measurement of distance !
The answer may depend on why the measurement is changing.
There are 5280 feet in a mile, so to change a distance in miles to feet, multiply it by 5280.
Predicting the exact population in the year 2500 is highly complex and uncertain due to numerous variables such as birth rates, mortality rates, technological advancements, and societal changes. However, based on current population growth trends and projections, it is estimated that the global population could be anywhere between 9 to 12 billion by 2500. This estimate is subject to change based on various factors and assumptions made by demographers and population experts.
Any measurement that can change.
. . . does not change. It looks different, but its value is the same.
how can we use the flow of matter or energy in a ayatem to predict a change in that system