The Correct choice is C
<u>Demography</u> is the study of human populations and how they grow or decline.
A factor in determining the carrying capacity of a city's environment is the water resources available to meet city needs. This is assuming this is one of the following city needs in this question. This is the only answer that pertains to the environment.
Good Luck!
Middle America refers to the states to the south of the US and specifically Mexico, the states of Central America and Islands near Central America. Venezuela does not belong to those states; It is part of South America and it is quite far from the other areas, relative to the distance between them.
occupational structure is the distribution of profession or jobs to the people in a society according to their social status, education etc.
A ruby is a gem not a mineral :)
