Answer:
Even among cities, density values can vary considerably from one city to another. 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:
Increase
Explanation:
After a scientific research, carried out by both A.F Williams and K.A Lancaster, in 1995, with a title: "The prospects of daytime running lights for reducing vehicle crashes in the United States." These researchers, however, made various conclusions, one of which, amongst other things, stated that Daytime running lights INCREASE visual contrast between vehicles and their background, which enhance their noticeability and detectability.
Therefore, the correct answer is INCREASE.
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