Answer:
B. The average number in a certain area
Explanation:
Population density is calculated by taking the total area of a region in question and dividing it by the total number of people that live in that area. The result will give the average number of inhabitants per square kilometre, mile, acre, meter, etc. While the population density of an entire country is not a very accurate means of knowing the population density of that countries capital city, it does given an idea of how much land is available in the country per inhabitant.
Answer:
A. the total number of people living in a certain area
Explanation:
I dunno how the other one has so many likes, but it's wrong. The correct answer is A. I just took the test
