Population density is a measure of the number of individuals living in a particular area, usually expressed as the number of people per square kilometer or square mile.
Imagine you have two different-sized pizzas - one small pizza with only a few slices and another large pizza with many slices. If you divide the number of people by the size of each pizza, you can determine which pizza has a higher population density. The smaller pizza will have more people per slice, just like an area with high population density has more people per unit of land.
Urbanization: Urbanization refers to the process of an increasing proportion of a country's population living in urban areas.
Carrying capacity: Carrying capacity is the maximum number of individuals that an environment can sustainably support without degrading its resources.
Migration: Migration is the movement of individuals from one place to another, often driven by factors such as economic opportunities or environmental conditions.
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