Answer:
muscle cross sectional area is usually the greatest.
Explanation:
Aging process is something no one can avoid. As we are getting older, many things in our body changes. Like losing collagen after we reach 25 years of life, it's decreasing more and more as we are getting older. The same is with muscles. The case of losing muscles is called aging sarcopenia. It starts to begin around 25 years of life, but it reaches its maximum at the age of 65. It's natural that if we start to lose our muscles, we start to get weak. The same is with balance.
A diet higher in lean protein and less processed carbs, would be a positive change to prevent diabetes with exercise.
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.