Which of the following factors is one of two that is usually most responsible for determining population growth

Economic conditions should be one of these factors. When a family has a reliable source of income then they can plan a larger family. Having a large family is expensive and requires providing food, clothing and shelter to the children from when they are born up until they leave home. Also, a larger family requires a large place to house them which is more expensive. Another factor is that in some less well developed countries with either no pensions or inadequate ones, a large family is considered insurance for the elderly to be supported by the kids as they grow older and start earning an income.

It is the second answer

Master planned communities outside of chicago. note: population density means people living in an area per square mile. chicago, an urban and highly populated area has a much more higher density than a desert, amish community, settlement, or nomadic region.