refers to the average number of people that live within a specific unit in an area/region.

A. population
B. Population growth
C. Population density
D. Population distribution

i believe the answer is C, population density

Explanation:

c) population density

b) growth rate

a) important natural resources

Explanation:

for those struggling with usatestprep ^

the correct answer that would best complete the given statement above would be option b. expanding civil services. diocletian and constantine paved the way for foreign invasion by dividing the empire, creating administrative bureaucracies and reorganizing the military, except for expanding civil services. hope this answer .

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explanation:

social contract theory, nearly as old as philosophy itself, is the view that persons' moral and/or political obligations are dependent upon a contract or agreement among them to form the society in which they liv