The study of population is useful because you can see how popular sections of your country or even the world are. You can see where the most dense parts of Cities and countries are to see what kinds of regulations you might have to put in place for say, worldwide pandemics such as the Coco-19 pandemic. It's also useful because you can see why certain area are more popular than others. reaons might include things like mining towns drawing in people from around that area etc etc. The study of population might also be useful if you're trying to establish a busniess and want to start it in a place you know it'ss be successful, such as a higher populated town near you.
The study of population can also be refered t as population demographics or demography.
A. Discarded.
[eww] that's what I think
The correct answer is 30: this is the age when most women have already gained an education and started their careers, but when they can still biologically have children: at the age of 42 some women would have problems having children, but around the age of 30 many women feel secure enough but also under the pressure of time.
Target heart rate is:
d)
Desirable minimum heartbeats needed to reach a level of activity and
maintain that heart rate necessary to improve your cardiovascular
fitness.
