The answer is<u> "demographic component".</u>
Population change results from the cooperation of demographic components: birth, demise and relocation. Along these lines, demography manages the point by point investigation of the three segments. With the estimation of such segments, different parts of the populace are broke down and deciphered. It designs and execute different advancement exercises. Birth, demise and movement are called demographic components, and additionally the deciding components of populace change since they influence the circumstance of the populace. In this way, the measure of the populace depends for the most part upon birth, passing and relocation.
I believe it is write the names over and over again because that is is the most effective way to memorize kinetically.
In 20 years you'll have $5,220.
2,000×0.08=160
2,000+(160×20)= 5,220.
Answer: One of the principles of hierarchy is a clear <u>vertical </u>chain of command.
Hope this helps!