Answer: The answer is:
Rank-size rule
Explanation:
Rank-size rule is a commonly observed statistical relationship between the population sizes and population ranks of a nation’s cities.
According to the rank-size rule, there should be a larger number of small cities than bigger cities. Also, this rule predicts that the larger a city’s population is then the fewer number of cities there should be in the surrounding area with a similar population.
The voice that you hear in a story is the voice of the narrator, and told either in first person or third-person. Details tell you how the narrator feels about the characters and events. From the first page of "How Mighty Kate Stopped the Train," I see that the story is told from the third-person point of view.
<u>Answer:</u>
(A) Studying algebraic equations in math.
This was made possible by contributions of Islamic civilizations
<u>Explanation:</u>
“Muslim scholars” contributed largely in the field of Mathematics in the golden age of Islamic civilization. “Arabic number system” is widely used even today.
The first great achievement was introduction of ‘’Arabic numerals’’. It explains the "place-value" theory, which allows numbers to be expressed by “nine figures” and zero. This development made calculation very simple and also paved the way for the development of a completely new division of mathematics which is “algebra”. Even Arabic words entered Western vocabulary like “Al-JABR” became “Algebra”.