The right answer is Joints (or ligaments more precisely).
Muscle is the contractile structure that produces strength. It has components that allow it to be shortened to create what is called a muscle contraction.
The joint is junction of two parts of the skeleton allowing them relative mobility.
The ligament is an elastic structure that stabilizes the joints. It therefore attaches from one bone to another.
If she has a fever of 100 degrees and/or runny nose everyday.
Answer:
People are motiviated to break the rules by the enviornment they have been exposed to. For example a person in a calm suberban neighborhood wouldn't usually be motivated to do crimes as they are exposed to a calm, crime-free, environment. As opposed to a person that lives in a run down city that is constantly exposed to crimes and people trying to get them to do things they shouldnt. People who are powerful, and famous, do tend to break the rules a lot more than the average person as they feel as though they are above the law. So, they go off doing what they want thinking that since they are famous they are better than everyone else and can do whatever and not be punished. I don't beleive it is worth breaking those rules as people tend to follow and more and more people will begin to do the same and cause chaos.
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.
