Population density is the number of people that live in a region divided by the number of in the region. 1 waterways

2 people who used to live

3 roads and houses

4 square miles or kilometers

Its squares and Km

Explanation: Population density allows for broad comparison of settlement intensity across geographic areas. In the U.S., population density is typically expressed as the number of people per square mile of land area.

answer; (trauma);