Question

How is population density expressed? A. persons per square mile B. land area divided by population C. death rate minus birthrate D. birthrate minus migration

Answer 1

Answer: A.persons per square mile

so it is calculated by dividing the total U.S. population  for example (316 million in 2013) by the total U.S. land area (3.5 million square miles).

Explanation:

Answer 2

Answer:

B. Land Area Is Divided By Population.

Explanation:

In the U.S., population density is typically expressed as the number of people per square mile of land area. ... The U.S. value is calculated by dividing the total U.S. population (316 million in 2013) by the total U.S. land area (3.5 million square miles).