Question

Choose the statement that best describes population density.

an increase in the number of people living in an area over time
a decrease in the number of people living in an area over time
the number of people who live in a square mile or kilometer
the number of live births per one thousand people in a year

Answer 1

C. The number of people who live in a square mile or kilometer

Answer 2

The answer is: [C]:
_________________________________________________
"the number of people who live in a square mile or kilometer" .
_______________________________________________________

Let us examine the other answer choices:
________________________________
Answer choice: [A]: "an increase in the number of people living in an area over time" — refers to: "population growth".
_____________________________________________
Answer choice: [B]: "a decrease in the number of people living in an area over time" — refers to: "population decline"; or, "depopulation".
___________________________________________________
Answer choice [D]: "the number of live births per one thousand people in a year" — refers to: "birth rate". (as opposed to: "the number of deaths per one thousand in people in one year" — which refers to the "death rate"; or, "fatality rate").
___________________________________________________